Lu Chen, an upstart in technology, was falsely accused of murdering his ex-wife. On the day of his execution, he was reborn seven days before the crime and fell into an inescapable time loop. The only detective who saw through the suspicion was his ex-girlfriend Shen Qingyan, who broke up with him due to betrayal. In order to uncover the truth and kill the real culprit, he must make mistakes with his life in countless "seven days", use circular memory to complete a high-IQ game, and restore the long-broken trust in the speed of life and death. This time, what he wants to reverse is not only the dead end, but also her heart.
