On a sunny weekend, Jiang Shuyue and her lover Li Jun took Li Jun's children out for fun and spent the happiest day of their lives.
It wasn't until Li Jun sent him home in the evening that the two reluctantly said goodbye.
Xiaoyue, who came home alone, walked up the dim corridor. When she opened the door, she saw her sister lying in a pool of blood, and the two murderers who had just committed violence. Xiaoyue rushed out of the door and ran away desperately.
When he pushed open the door of the building, he found that there were many tall buildings in the distance in front of him, and the lights were shining, but his building had become dark and dilapidated.
When he asked passers-by for help, he met his middle-aged lover and his grown-up son.
He never imagined that fifteen years of time would be lost in vain when he was in danger...