The boy Bai Xiaoer and the girl Molly were childhood sweethearts, but unexpectedly a girl named An Weiwei came out halfway. Just when Molly and An Weiwei were fighting over each other, a series of accidents made these people who were supposed to live in the sun The young boy in his prime has deviated from his original life trajectory, Bai Xiaoer is suddenly imprisoned, An Weiwei disappears for no reason, and the remaining confused Molly will choose what will happen, and how can their story come to a perfect end.