diff --git a/web/modals/search/message-search-modal.css b/web/modals/search/message-search-modal.css
new file mode 100644
--- /dev/null
+++ b/web/modals/search/message-search-modal.css
@@ -0,0 +1,14 @@
+.content {
+  overflow-y: scroll;
+  padding: 0 10px 0 10px;
+}
+
+.content > * {
+  margin-bottom: 16px;
+}
+
+.loading {
+  text-align: center;
+  margin-bottom: 8px;
+  margin-top: 24px;
+}
diff --git a/web/modals/search/message-search-modal.react.js b/web/modals/search/message-search-modal.react.js
new file mode 100644
--- /dev/null
+++ b/web/modals/search/message-search-modal.react.js
@@ -0,0 +1,219 @@
+// @flow
+
+import * as React from 'react';
+
+import { useModalContext } from 'lib/components/modal-provider.react.js';
+import {
+  type ChatMessageItem,
+  messageListData,
+} from 'lib/selectors/chat-selectors.js';
+import {
+  createMessageInfo,
+  modifyItemForResultScreen,
+} from 'lib/shared/message-utils.js';
+import { useSearchMessages } from 'lib/shared/search-utils.js';
+import type { RawMessageInfo } from 'lib/types/message-types.js';
+import type { ThreadInfo } from 'lib/types/thread-types.js';
+import { useResolvedThreadInfo } from 'lib/utils/entity-helpers.js';
+
+import css from './message-search-modal.css';
+import { useTooltipContext } from '../../chat/tooltip-provider.js';
+import MessageResult from '../../components/message-result.react.js';
+import LoadingIndicator from '../../loading-indicator.react.js';
+import { useSelector } from '../../redux/redux-utils.js';
+import SearchModal from '../search-modal.react.js';
+
+type ContentProps = {
+  +query: string,
+  +threadInfo: ThreadInfo,
+};
+
+function MessageSearchModalContent(props: ContentProps): React.Node {
+  const { query, threadInfo } = props;
+
+  const [lastID, setLastID] = React.useState();
+  const [searchResults, setSearchResults] = React.useState([]);
+  const [endReached, setEndReached] = React.useState(false);
+
+  const appendSearchResults = React.useCallback(
+    (newMessages: $ReadOnlyArray<RawMessageInfo>, end: boolean) => {
+      setSearchResults(oldMessages => [...oldMessages, ...newMessages]);
+      setEndReached(end);
+    },
+    [],
+  );
+
+  React.useEffect(() => {
+    setSearchResults([]);
+    setLastID(undefined);
+    setEndReached(false);
+  }, [query]);
+
+  const searchMessages = useSearchMessages();
+
+  React.useEffect(
+    () => searchMessages(query, threadInfo.id, appendSearchResults, lastID),
+    [appendSearchResults, lastID, query, searchMessages, threadInfo.id],
+  );
+
+  const userInfos = useSelector(state => state.userStore.userInfos);
+
+  const translatedSearchResults = React.useMemo(() => {
+    const threadInfos = { [threadInfo.id]: threadInfo };
+    return searchResults
+      .map(rawMessageInfo =>
+        createMessageInfo(rawMessageInfo, null, userInfos, threadInfos),
+      )
+      .filter(Boolean);
+  }, [searchResults, threadInfo, userInfos]);
+
+  const chatMessageInfos = useSelector(
+    messageListData(threadInfo.id, translatedSearchResults),
+  );
+
+  const filteredChatMessageInfos = React.useMemo(() => {
+    if (!chatMessageInfos) {
+      return [];
+    }
+
+    const idSet = new Set(translatedSearchResults.map(item => item.id));
+
+    const chatMessageInfoItems = chatMessageInfos.filter(
+      item => item.messageInfo && idSet.has(item.messageInfo.id),
+    );
+
+    const uniqueChatMessageInfoItemsMap = new Map();
+    chatMessageInfoItems.forEach(
+      item =>
+        item.messageInfo &&
+        item.messageInfo.id &&
+        uniqueChatMessageInfoItemsMap.set(item.messageInfo.id, item),
+    );
+
+    const sortedChatMessageInfoItems = [];
+    for (let i = 0; i < translatedSearchResults.length; i++) {
+      sortedChatMessageInfoItems.push(
+        uniqueChatMessageInfoItemsMap.get(translatedSearchResults[i].id),
+      );
+    }
+
+    return sortedChatMessageInfoItems.filter(Boolean);
+  }, [chatMessageInfos, translatedSearchResults]);
+
+  const modifiedItems = React.useMemo(
+    () => filteredChatMessageInfos.map(item => modifyItemForResultScreen(item)),
+    [filteredChatMessageInfos],
+  );
+
+  const renderItem = React.useCallback(
+    item => {
+      return (
+        <MessageResult
+          key={item.messageInfo.id}
+          item={item}
+          threadInfo={threadInfo}
+        />
+      );
+    },
+    [threadInfo],
+  );
+
+  const messages = React.useMemo(
+    () => modifiedItems.map(item => renderItem(item)),
+    [modifiedItems, renderItem],
+  );
+
+  const messageContainer = React.useRef(null);
+
+  const messageContainerRef = (msgContainer: ?HTMLDivElement) => {
+    messageContainer.current = msgContainer;
+    messageContainer.current?.addEventListener('scroll', onScroll);
+  };
+
+  const { clearTooltip } = useTooltipContext();
+
+  const possiblyLoadMoreMessages = React.useCallback(() => {
+    if (!messageContainer.current) {
+      return;
+    }
+
+    const loaderTopOffset = 32;
+    const { scrollTop, scrollHeight, clientHeight } = messageContainer.current;
+    if (
+      endReached ||
+      Math.abs(scrollTop) + clientHeight + loaderTopOffset < scrollHeight
+    ) {
+      return;
+    }
+    console.log('searching', scrollTop, clientHeight, scrollHeight);
+
+    setLastID(modifiedItems ? oldestMessageID(modifiedItems) : undefined);
+  }, [endReached, modifiedItems]);
+
+  const onScroll = React.useCallback(() => {
+    if (!messageContainer.current) {
+      return;
+    }
+    clearTooltip();
+    possiblyLoadMoreMessages();
+  }, [clearTooltip, possiblyLoadMoreMessages]);
+
+  const loader = React.useMemo(() => {
+    if (endReached) {
+      return null;
+    }
+    return (
+      <div key="search-loader" className={css.loading}>
+        <LoadingIndicator status="loading" size="medium" color="white" />
+      </div>
+    );
+  }, [endReached]);
+
+  return (
+    <div className={css.content} ref={messageContainerRef}>
+      {messages}
+      {loader}
+    </div>
+  );
+}
+
+function oldestMessageID(data: $ReadOnlyArray<ChatMessageItem>) {
+  for (let i = data.length - 1; i >= 0; i--) {
+    if (data[i].itemType === 'message' && data[i].messageInfo.id) {
+      return data[i].messageInfo.id;
+    }
+  }
+  return undefined;
+}
+
+type Props = {
+  +threadInfo: ThreadInfo,
+};
+
+function MessageSearchModal(props: Props): React.Node {
+  const { threadInfo } = props;
+  const { popModal } = useModalContext();
+
+  const renderModalContent = React.useCallback(
+    (searchText: string) => (
+      <MessageSearchModalContent threadInfo={threadInfo} query={searchText} />
+    ),
+    [threadInfo],
+  );
+
+  const { uiName } = useResolvedThreadInfo(threadInfo);
+  const searchPlaceholder = `Searching in ${uiName}`;
+
+  return (
+    <SearchModal
+      searchPlaceholder={searchPlaceholder}
+      name="Search Message"
+      onClose={popModal}
+      size="large"
+    >
+      {renderModalContent}
+    </SearchModal>
+  );
+}
+
+export default MessageSearchModal;