The relationship between two women and one man is peaceful and enjoyable during the friend stage, but the moment a romantic relationship is born, the triangle collapses. Those who are together feel a sense of superiority deep in their hearts, while those left behind grow weary of loneliness and inferiority complex. Suddenly possessed by evil, the person who causes a rift in the friendship will receive an appropriate retribution. A revenge drama for adults, where cause and effect intertwine.
