The Evil-Eyed Demon King has grown far more powerful, and the museum realm is on the brink of destruction! To find a way to defeat him, the Shanhai Squad heads to the National Gallery of Art in Washington. Guided by the Key of Fortune, they finally reach the sacred Lake of the Empty Mirror, only to face a dangerous trial. With their wit and courage, the Shanhai Squad passes the test and sounds the Horn of the Heavenly Gods. But the god they summon is no match for the mighty Evil-Eyed Demon King and is soon overwhelmed. At this critical moment, can they turn the tide and defeat him?
