Bian Baixian, the youngest son of the largest official family in the capital, grew up in a deep-walled compound. He never left the house and was lonely for 16 years, just because of his special identity and physique. Only Lu Han and Zhang Yixing can accompany him and make his life less lonely. When he was seventeen years old, he met one of the few people in his life. Their relationship became closer and closer, and gradually developed into a path of no return. Where will the entangled two people go in the end?