Lu Guang loses everything when a mysterious man bursts into the photo studio that he is renting with his close friend Cheng Xiaoshi. The man, who comes to punish the members at the studio for playing with time, murders both Qiao Ling and Cheng Xiaoshi in cold blood. However, Lu Guang inherits his friend's power to go back in time and decides to save everyone from their grim fate. Now in the past, Lu Guang travels to Bridon to help Cheng Xiaoshi investigate his father's whereabouts; however, he discovers an uncanny series of small disparities that cause the situation to spiral into complete uncertainty. Suddenly unable to rely on his ability to predict the future, Lu Guang must invent a new strategy to foil the plans of the man who took everything from him.