Suspense blogger Xu Mu received a strange invitation from "Lian Town No. 7". In order to shoot the ultimate Vlog, he stepped into a library where time and space were confused, only to find that he had become an "actor" in a looping plot. Faced with the reflection in the mirror that longs to replace him, the cold data observer, and the warning barrage from the future on the screen, he must make the final choice during the live broadcast: Should he accept an illusory existence, or use his true self to end this watched narrative with his own hands?