Lin Mengxin and Yu Longming were strangers to each other. Yu Longming fell in love with Lin Mengxin for some reason and went to check whether Lin Mengxin's daughter Lin Yuxi was related to him. DNA showed that Lin Yuxi was his daughter. It turned out that Lin Mengxin was his former lover, and his mother felt that it was wrong to be in an inappropriate relationship, so she erased the memories of both of them. At that time, Lin Mengxin happened to be pregnant with Lin Yuxi...