Underwear designer Jiang Xile reunites with her secret crush Ding Ran from 10 years ago in a "socially deadly" way. The embarrassment does not end there. As soon as she returns home, her mother announces that she is going to remarry, and the person she is going to remarry is actually Ding Ran's father. From childhood sweethearts to doctor-patients to the reconstituted family at this time, a somewhat complicated relationship lingers, and two love stories from their youth are restarted again...