Xie Zhixing, a rebellious abandoned son of a wealthy family, met the cold and distant Wen Xingchen in the summer of his seventeenth year. He thought it was just a game that started as "teasing", but he didn't expect that this young man who was more familiar with stomach medicine than love words would eventually become the only light in his dark world. How two incomplete souls become each other's only anchor in the cold reality, learn to "save themselves" and finally "symbiotically".