Kim Yubin lives her day-to-day life caged within the confines of her home. Her mother is a paranoid alcoholic, her father is a stoic man how hardly comes home, and she lives next to a neighbor woman who seems to take extreme interest in her. There is only one place that Yubin finds peace within her life, and that is at her secret lake. One day after a trip to the lake, she comes across something that she never thought she would find. With this new element in her life, she finds herself questioning the morals of her relationships with her family. Yubin is left with a choice of escape or self-imprisonment.