Banished to provincial purgatory after a censure for misconduct, a former star of the Seoul police force finds her maternal instincts unexpectedly awakened when she meets a troubled teenage girl.

Young-nam was a promising graduate of the police academy before she was transferred to the small seaside village, which was caused by her misconduct. On her first day to the village, she encounters with Dohee who is the girl living in the town, seeming to have somewhat gloomy looking face. As Young-nam tries to accommodate with her new surroundings, an accident of Dohee's grandma getting killed by falling in the seashore cliff happens. As to protect the girl from her stepfather's abuse, Young-nam let Dohee stay at her place but things turn out to be more mysterious as she gets to know her.