Daeriaein

A woman's fiancé suggests they each have a final romantic encounter with someone else before marriage. Initially devastated, she accepts, driven solely by a desire for revenge. Her plan is to make him regret his decision by pursuing a younger, more attractive partner. Fortunately, a suitable candidate has recently moved in next door. He is successful, good-looking, and charismatic, though he is also her younger brother's close friend. She must navigate the challenge of exacting her revenge while maintaining a relationship with him.