Sir, You're Merely a Substitute - Episode 4

In this episode, a woman confronts a man who admits he never truly loved her and was merely pretending all along. She challenges him with anger and threatens to make him experience the pain of being burned alive, revealing her deep betrayal. Meanwhile, another person notices the woman still wears a ring from her marriage to a man named Alex, hinting at unresolved feelings. The episode ends with the woman declaring she is returning to Alex, leaving the tension and her next move unresolved.