Lin Shuang's boyfriend of seven years married her cousin one month after breaking up with her. On the day of the wedding, Lin Shuang went to a bar to drink. He was taken out of the bar by Yang Huan and had a car accident. He was bound by the system and began to complete tasks in exchange for his current life. Completing different tasks in each different world also made Lin Shuang constantly interested. Growing up in different worlds, Lin Shuang found that there was always a man that he couldn't help but get close to. It turned out that he was always the same person, a Yang Huan who was constantly following for protection. He would return to the current world before completing a task. Lin Shuang discovered that his car accident was a premeditated incident...