Shen Yan, a life planner with the lowest performance in the underworld, was forced to bind the "Seven-Day Reincarnation Simulator" and become the companion of Xiao Jue, the famous waste prince in history. His mission is to increase the opponent's "imperial growth value", and his prince is a vicious genius who is bent on destroying the opponent. In the seven days of the infinite loop, one worked desperately while the other wreaked havoc, and tortured each other like crazy. The two desperate souls unexpectedly became each other's only light and salvation.