Food delivery worker Jiang Yu complains about a short drama and accidentally time-travels, becoming the cannon-fodder kept husband required to cancel his engagement with the richest man's wife Pei Wantang, while also binding a favorability system to increase Pei Wantang's favorability value within thirty days, and will face crisis if the task fails. To seek survival, he rejects the divorce document and reaffirms the engagement with Pei Wantang sitting in a wheelchair. Relying on system information to manage assets, neutralizing other people's traps, taking meticulous care of Pei Wantang, he gradually investigates the plots of Wen Jingran and others. Pei Wantang slowly lets down her guard, develops feelings, and stands up again. When the favorability value is full, Jiang Yu learns that this time-travel and system were originally Pei Wantang's carefully arranged husband-chasing game.