A 9-year-old boy, Sooyoung, lives with her mother, who works as a haenyeo worker, and waits for her father who has not heard from him. One day in the city, a man named Dokgo enters Sooyoung's house and sees Uncle Dokgo caressing her mother. The uncle, who was being chased by the folk novelist for writing dissident writing, is arrested by the police, and Sooyoung, who does not know the story of the uncle, is just relieved that the uncle is gone and spends a vacation at her aunt's house to play. However, when Sooyoung returns home, she finds out that her mother has already left the house with Uncle Dokgo.