Hye-ri和她的父亲住在一起，她的父亲经常喝醉后变得脾气暴躁。与她顺从的母亲和小弟弟不同，Hye-ri从拳击教练那里学习锻炼，以获得上风。

Hye-ri lives with her father, who turns into a violent person when he is inebriated. Unlike her submissive mother and little brother, Hye-ri learns the armbar maneuver from her boxing coach to get the upper hand.