Zhao Zhenzhen, who just entered high school, was isolated and bullied by Peng Yao, a violent female gang in the class, because she helped her classmate Zhang Fei who was being bullied. Daily study and life made Zhao Zhenzhen more and more desperate for life. On the other hand, Zhao Zhenzhen's mother gradually discovered the fact that Zhao Zhenzhen was isolated. When she went to Anding City to visit her college classmate Gao Yuanyuan, At that time, she discovered that Gao Yuanyuan's adopted son Gao Yan was living with friends. However, Zhao Zhenzhen never told others about her experiences at school. In desperation, Zhao Zhenzhen's mother called Gao Yan. Because she had to go on a business trip for a year for work reasons, she wanted to ask Gao Yan to go to Zhao Zhenzhen's school during this period to help her find true friendship. Gao Yan on the other side had other thoughts in mind. Maybe only he knew his true identity. Ghost, an identity that he dared not tell anyone. Gao Yan looked at the light black lifeline on his arm, which showed that the time was exactly about a year. Gao Yan also happily agreed to Zhao Zhenzhen's mother's request and went for a walk near the school. Unexpectedly, Gao Yan and a classmate named Wang Zhixiao joined the class at the same time the next day. When they saw Zhao Zhenzhen being bullied, they both extended a helping hand. During their interactions with Zhao Zhenzhen, both Gao Yan and Wang Zhixiao gradually fell in love with the kind-hearted Zhao Zhenzhen, and various farces began among the three.