Rina receives a shock when she visits her new neighbor for a housewarming greeting, only to find her former boyfriend standing there—the man she once broke up with. Distraught, Rina keeps this secret buried inside while trying to carry on with her daily life. But one day, the man shows up at her home. He knows the truth: that Rina once cheated on him, ultimately leaving him for her current husband. Enraged, he vows revenge and decides to destroy Rina's marriage. As he takes his first step toward that goal, the story takes a dramatic new turn.