diff --git a/src/courseware/course/sequence/Unit/UnitSuspense.jsx b/src/courseware/course/sequence/Unit/UnitSuspense.jsx
index 299a491b..09843a71 100644
--- a/src/courseware/course/sequence/Unit/UnitSuspense.jsx
+++ b/src/courseware/course/sequence/Unit/UnitSuspense.jsx
@@ -9,6 +9,7 @@ import PageLoading from '@src/generic/PageLoading';
 
 import messages from '../messages';
 import HonorCode from '../honor-code';
+import LockPaywall from '../lock-paywall';
 import * as hooks from './hooks';
 import { modelKeys } from './constants';
 
@@ -33,7 +34,9 @@ const UnitSuspense = ({
             pluginProps={{
               courseId,
             }}
-          />
+          >
+            <LockPaywall courseId={courseId} />
+          </PluginSlot>
         </Suspense>
       )}
       {shouldDisplayHonorCode && (
diff --git a/src/courseware/course/sequence/lock-paywall/LockPaywall.jsx b/src/courseware/course/sequence/lock-paywall/LockPaywall.jsx
new file mode 100644
index 00000000..c1625c84
--- /dev/null
+++ b/src/courseware/course/sequence/lock-paywall/LockPaywall.jsx
@@ -0,0 +1,149 @@
+import React, { useContext } from 'react';
+import PropTypes from 'prop-types';
+import classNames from 'classnames';
+import { sendTrackEvent } from '@edx/frontend-platform/analytics';
+import { injectIntl, intlShape } from '@edx/frontend-platform/i18n';
+import {
+  Alert, Hyperlink, breakpoints, useWindowSize,
+} from '@openedx/paragon';
+import { Locked } from '@openedx/paragon/icons';
+import SidebarContext from '../../sidebar/SidebarContext';
+import messages from './messages';
+import certificateLocked from '../../../../generic/assets/edX_locked_certificate.png';
+import { useModel } from '../../../../generic/model-store';
+import { UpgradeButton } from '../../../../generic/upgrade-button';
+import {
+  VerifiedCertBullet,
+  UnlockGradedBullet,
+  FullAccessBullet,
+  SupportMissionBullet,
+} from '../../../../generic/upsell-bullets/UpsellBullets';
+
+const LockPaywall = ({
+  intl,
+  courseId,
+}) => {
+  const { notificationTrayVisible } = useContext(SidebarContext);
+  const course = useModel('coursewareMeta', courseId);
+  const {
+    accessExpiration,
+    marketingUrl,
+    offer,
+  } = course;
+
+  const {
+    org, verifiedMode,
+  } = useModel('courseHomeMeta', courseId);
+
+  // the following variables are set and used for resposive layout to work with
+  // whether the NotificationTray is open or not and if there's an offer with longer text
+  const shouldDisplayBulletPointsBelowCertificate = useWindowSize().width <= breakpoints.large.minWidth;
+  const shouldDisplayGatedContentOneColumn = useWindowSize().width <= breakpoints.extraLarge.minWidth
+    && notificationTrayVisible;
+  const shouldDisplayGatedContentTwoColumns = useWindowSize().width < breakpoints.large.minWidth
+    && notificationTrayVisible;
+  const shouldDisplayGatedContentTwoColumnsHalf = useWindowSize().width <= breakpoints.large.minWidth
+    && !notificationTrayVisible;
+  const shouldWrapTextOnButton = useWindowSize().width > breakpoints.extraSmall.minWidth;
+
+  const accessExpirationDate = accessExpiration ? new Date(accessExpiration.expirationDate) : null;
+  const pastExpirationDeadline = accessExpiration ? new Date(Date.now()) > accessExpirationDate : false;
+
+  if (!verifiedMode) {
+    return null;
+  }
+
+  const eventProperties = {
+    org_key: org,
+    courserun_key: courseId,
+  };
+
+  const logClick = () => {
+    sendTrackEvent('edx.bi.ecommerce.upsell_links_clicked', {
+      ...eventProperties,
+      linkCategory: '(none)',
+      linkName: 'in_course_upgrade',
+      linkType: 'link',
+      pageName: 'in_course',
+    });
+  };
+
+  const logClickPastExpiration = () => {
+    sendTrackEvent('edx.bi.ecommerce.gated_content.past_expiration.link_clicked', {
+      ...eventProperties,
+      linkCategory: 'gated_content',
+      linkName: 'course_details',
+      linkType: 'link',
+      pageName: 'in_course',
+    });
+  };
+
+  return (
+    <Alert variant="light" aria-live="off" icon={Locked} className="lock-paywall-container" data-testId="lock-paywall-test-id">
+      <div className="row">
+        <div className="col">
+          <h4 aria-level="3">
+            <span>{intl.formatMessage(messages['learn.lockPaywall.title'])}</span>
+          </h4>
+          {pastExpirationDeadline ? (
+            <div className="mb-2 upgrade-intro">
+              {intl.formatMessage(messages['learn.lockPaywall.content.pastExpiration'])}
+              <Hyperlink destination={marketingUrl} onClick={logClickPastExpiration} target="_blank">{intl.formatMessage(messages['learn.lockPaywall.courseDetails'])}</Hyperlink>
+            </div>
+          ) : (
+            <div className="mb-2 upgrade-intro">
+              {intl.formatMessage(messages['learn.lockPaywall.content'])}
+            </div>
+          )}
+
+          <div className={classNames('d-inline-flex flex-row', { 'flex-wrap': notificationTrayVisible || shouldDisplayBulletPointsBelowCertificate })}>
+            <div style={{ float: 'left' }} className="mr-3 mb-2">
+              <img
+                alt={intl.formatMessage(messages['learn.lockPaywall.example.alt'])}
+                src={certificateLocked}
+                className="border-0 certificate-image-banner"
+                style={{ height: '128px', width: '175px' }}
+              />
+            </div>
+
+            <div className="mw-xs list-div">
+              <div className="mb-2">
+                {intl.formatMessage(messages['learn.lockPaywall.list.intro'])}
+              </div>
+              <ul className="fa-ul ml-4 pl-2">
+                <VerifiedCertBullet />
+                <UnlockGradedBullet />
+                <FullAccessBullet />
+                <SupportMissionBullet />
+              </ul>
+            </div>
+          </div>
+        </div>
+
+        {pastExpirationDeadline
+          ? null
+          : (
+            <div
+              className={
+                classNames('d-md-flex align-items-md-center text-right', {
+                  'col-md-5 mx-md-0': notificationTrayVisible, 'col-md-4 mx-md-3 justify-content-center': !notificationTrayVisible && !shouldDisplayGatedContentTwoColumnsHalf, 'col-md-11 justify-content-end': shouldDisplayGatedContentOneColumn && !shouldDisplayGatedContentTwoColumns, 'col-md-6 justify-content-center': shouldDisplayGatedContentTwoColumnsHalf,
+                })
+              }
+            >
+              <UpgradeButton
+                offer={offer}
+                onClick={logClick}
+                verifiedMode={verifiedMode}
+                style={{ whiteSpace: shouldWrapTextOnButton ? 'nowrap' : null }}
+              />
+            </div>
+          )}
+      </div>
+    </Alert>
+  );
+};
+LockPaywall.propTypes = {
+  intl: intlShape.isRequired,
+  courseId: PropTypes.string.isRequired,
+};
+export default injectIntl(LockPaywall);
diff --git a/src/courseware/course/sequence/lock-paywall/LockPaywall.scss b/src/courseware/course/sequence/lock-paywall/LockPaywall.scss
new file mode 100644
index 00000000..7bbee59b
--- /dev/null
+++ b/src/courseware/course/sequence/lock-paywall/LockPaywall.scss
@@ -0,0 +1,14 @@
+.alert-content.lock-paywall-container {
+    display: inline-flex;
+    width: 100%;
+}
+
+.lock-paywall-container svg {
+    color: $primary-700;
+}
+
+@media only screen and (min-width: 992px) and (max-width: 1100px) {
+    .list-div {
+        width: 62%;
+    }
+}
diff --git a/src/courseware/course/sequence/lock-paywall/LockPaywall.test.jsx b/src/courseware/course/sequence/lock-paywall/LockPaywall.test.jsx
new file mode 100644
index 00000000..60ac4286
--- /dev/null
+++ b/src/courseware/course/sequence/lock-paywall/LockPaywall.test.jsx
@@ -0,0 +1,121 @@
+import React from 'react';
+import { Factory } from 'rosie';
+import { sendTrackEvent } from '@edx/frontend-platform/analytics';
+
+import {
+  fireEvent, initializeTestStore, render, screen,
+} from '../../../../setupTest';
+import LockPaywall from './LockPaywall';
+
+jest.mock('@edx/frontend-platform/analytics');
+
+describe('Lock Paywall', () => {
+  let store;
+  const mockData = { notificationTrayVisible: false };
+
+  beforeAll(async () => {
+    store = await initializeTestStore();
+    const { courseware } = store.getState();
+    Object.assign(mockData, {
+      courseId: courseware.courseId,
+    });
+  });
+
+  it('displays unlock link with price', () => {
+    const {
+      currencySymbol,
+      price,
+      upgradeUrl,
+    } = store.getState().models.courseHomeMeta[mockData.courseId].verifiedMode;
+    render(<LockPaywall {...mockData} />);
+
+    const upgradeLink = screen.getByRole('link', { name: `Upgrade for ${currencySymbol}${price}` });
+    expect(upgradeLink).toHaveAttribute('href', `${upgradeUrl}`);
+  });
+
+  it('displays discounted price if there is an offer/first time purchase', async () => {
+    const courseMetadata = Factory.build('courseMetadata', {
+      offer: {
+        code: 'EDXWELCOME',
+        expiration_date: '2070-01-01T12:00:00Z',
+        original_price: '$100',
+        discounted_price: '$85',
+        percentage: 15,
+        upgrade_url: 'https://example.com/upgrade',
+      },
+    });
+    const testStore = await initializeTestStore({ courseMetadata }, false);
+    render(<LockPaywall {...mockData} courseId={courseMetadata.id} />, { store: testStore });
+
+    expect(screen.getByText(/Upgrade for/).textContent).toMatch('$85 ($100)');
+  });
+
+  it('sends analytics event onClick of unlock link', () => {
+    sendTrackEvent.mockClear();
+
+    const {
+      currencySymbol,
+      price,
+    } = store.getState().models.courseHomeMeta[mockData.courseId].verifiedMode;
+    render(<LockPaywall {...mockData} />);
+
+    const upgradeLink = screen.getByRole('link', { name: `Upgrade for ${currencySymbol}${price}` });
+    fireEvent.click(upgradeLink);
+
+    expect(sendTrackEvent).toHaveBeenCalledTimes(1);
+    expect(sendTrackEvent).toHaveBeenCalledWith('edx.bi.ecommerce.upsell_links_clicked', {
+      org_key: 'edX',
+      courserun_key: mockData.courseId,
+      linkCategory: '(none)',
+      linkName: 'in_course_upgrade',
+      linkType: 'link',
+      pageName: 'in_course',
+    });
+  });
+
+  it('does not display anything if course does not have verified mode', async () => {
+    const courseHomeMetadata = Factory.build('courseHomeMetadata', { verified_mode: null });
+    const testStore = await initializeTestStore({ courseHomeMetadata, excludeFetchSequence: true }, false);
+    render(<LockPaywall {...mockData} courseId={courseHomeMetadata.id} />, { store: testStore });
+
+    expect(screen.queryByTestId('lock-paywall-test-id')).not.toBeInTheDocument();
+  });
+
+  it('displays past expiration message if expiration date has expired', async () => {
+    const courseMetadata = Factory.build('courseMetadata', {
+      access_expiration: {
+        expiration_date: '1995-02-22T05:00:00Z',
+      },
+      marketing_url: 'https://example.com/course-details',
+    });
+    const testStore = await initializeTestStore({ courseMetadata }, false);
+    render(<LockPaywall {...mockData} courseId={courseMetadata.id} />, { store: testStore });
+    expect(screen.getByText('The upgrade deadline for this course passed. To upgrade, enroll in the next available session.')).toBeInTheDocument();
+    expect(screen.getByText('View Course Details'))
+      .toHaveAttribute('href', 'https://example.com/course-details');
+  });
+
+  it('sends analytics event onClick of past expiration course details link', async () => {
+    sendTrackEvent.mockClear();
+    const courseMetadata = Factory.build('courseMetadata', {
+      access_expiration: {
+        expiration_date: '1995-02-22T05:00:00Z',
+      },
+      marketing_url: 'https://example.com/course-details',
+    });
+    const testStore = await initializeTestStore({ courseMetadata }, false);
+    render(<LockPaywall {...mockData} courseId={courseMetadata.id} />, { store: testStore });
+    const courseDetailsLink = await screen.getByText('View Course Details');
+    fireEvent.click(courseDetailsLink);
+
+    expect(sendTrackEvent).toHaveBeenCalledTimes(1);
+    expect(sendTrackEvent).toHaveBeenCalledWith('edx.bi.ecommerce.gated_content.past_expiration.link_clicked', {
+      org_key: 'edX',
+      courserun_key: mockData.courseId,
+      linkCategory: 'gated_content',
+      linkName: 'course_details',
+      linkType: 'link',
+      pageName: 'in_course',
+    });
+  });
+});
diff --git a/src/courseware/course/sequence/lock-paywall/index.js b/src/courseware/course/sequence/lock-paywall/index.js
new file mode 100644
index 00000000..d609d279
--- /dev/null
+++ b/src/courseware/course/sequence/lock-paywall/index.js
@@ -0,0 +1 @@
+export { default } from './LockPaywall';
diff --git a/src/courseware/course/sequence/lock-paywall/messages.js b/src/courseware/course/sequence/lock-paywall/messages.js
new file mode 100644
index 00000000..54f51990
--- /dev/null
+++ b/src/courseware/course/sequence/lock-paywall/messages.js
@@ -0,0 +1,36 @@
+import { defineMessages } from '@edx/frontend-platform/i18n';
+
+const messages = defineMessages({
+  'learn.lockPaywall.title': {
+    id: 'learn.lockPaywall.title',
+    defaultMessage: 'Graded assignments are locked',
+    description: 'Heading for message shown to indicate that a piece of content is unavailable to audit track users.',
+  },
+  'learn.lockPaywall.content': {
+    id: 'learn.lockPaywall.content',
+    defaultMessage: 'Upgrade to gain access to locked features like this one and get the most out of your course.',
+    description: 'Message shown to indicate that a piece of content is unavailable to audit track users.',
+  },
+  'learn.lockPaywall.content.pastExpiration': {
+    id: 'learn.lockPaywall.content.pastExpiration',
+    defaultMessage: 'The upgrade deadline for this course passed. To upgrade, enroll in the next available session. ',
+    description: 'Message shown to indicate that a piece of content is unavailable to audit track users in a course where the expiration deadline has passed.',
+  },
+  'learn.lockPaywall.courseDetails': {
+    id: 'learn.lockPaywall.courseDetails',
+    defaultMessage: 'View Course Details',
+    description: 'Link to the course details page for this course with a past expiration date.',
+  },
+  'learn.lockPaywall.example.alt': {
+    id: 'learn.lockPaywall.example.alt',
+    defaultMessage: 'Example Certificate',
+    description: 'Alternate text displayed when the example certificate image cannot be displayed.',
+  },
+  'learn.lockPaywall.list.intro': {
+    id: 'learn.lockPaywall.list.intro',
+    defaultMessage: 'When you upgrade, you:',
+    description: 'Text displayed to introduce the list of benefits from upgrading.',
+  },
+});
+
+export default messages;