Xu Yan is an ordinary boy who is not good at interacting with others. He has mild autism and wants to escape from school at any time, but he does not dare to really escape. Moreover, he also has a secret that is not known to the public - a sexual orientation that is different from ordinary people. He secretly fell in love with Cheng Youxian, a boy in his class, but it ended in nothing. He gradually began to resist the repressive life, and he began to force himself to change, dropping out of school to pursue his dream of becoming a painter. After being forced into a desperate situation by reality and dreams, he came back to continue studying, changed schools, and lived in the house of a young and promising uncle, a talented and charming university lecturer. In the process of getting back on track, he fell in love with his uncle