Nan-hie and Min-hie have been best friends for years, despite their differing economic statuses. They share many things in common, including their taste in men. However, their friendship faces a serious test when Min-hie discovers that Nan-hie has been having an affair with her husband. The betrayal shakes Min-hie to the core, and she struggles to come to terms with the deception and breach of trust. As the tension between the two friends escalates, they must confront the painful reality of their shattered friendship and navigate the complex emotions that come with such a betrayal.