The Shadowless Tower (2023)

Gu Wentong, a middle-aged living alone, meets a young photographer Ouyang Wenhui at work. By chance, Gu Wentong learns the whereabouts of his father, who has been missing for more than 40 years. With the encouragement of Ouyang Wenhui, Gu Wentong chooses to face his father and regains the long-lost father-son relationship.