After the war ended, the research institute moved. Hui Sheng decided to move out of the Marshal's Mansion, but it happened that He Xuan returned due to an accidental amnesia. In the face of He Xuan who lost his memory, Hui Sheng had to face the past that the two were about to divorce, as well as the deep love for He Xuan that he could not let go of. As they get along, the two gradually uncover the secrets and scars in each other's hearts. In the process of retrieving his memory, He Xuan also re-examines his feelings for Hui Sheng. From the initial alienation to the later affectionate embrace, they experienced the journey from misunderstanding to understanding, from separation to reunion in the intertwining of responsibility and love. In the end, He Xuan proposed to Hui Sheng affectionately, and after going through ups and downs, the two found their happy home.
