Jiang Chen lost his mother when he was young. In the summer of his sophomore year in high school, his father brought him a mother and younger brother. The two brothers developed feelings during a small quarrel. Just when the two were about to be honest with each other, one party's betrayal led to the breakdown of the relationship. For the next five years, he disappeared. During these five years, he gave up this relationship called "youth and ignorance". But in the fifth year, he appeared, and the person who had hurt him so badly appeared, and the relationship between the two also changed - superior and subordinate, the deep bond between the two brothers opened up a new picture of their lives...