Sixteen-year-old Ye Jinwen fell in love with his beautiful cousin Gu Xiaoyu. He was so heartbroken that he was abandoned seven years later and entered a mental hospital where he went crazy for a year. After being discharged from the hospital, Ye Jinwen found his cousin Gu Ruoxian, who was as beautiful as Gu Xiaoyu, and hid beside him silently. Gu Ruoxian is ignorant and incompetent, with a troubled face and a useless snack inside. This loser has no education and no career. He only loves women from the bottom of his heart. However, he does not know that he has been secretly in love with his best friend Ge Dongsheng for more than ten years. He does not know that his elder cousin, who has always been gentle and responsive, is sharpening his sword against him...