The deceased Seok-jin appears as a murder suspect after 25 years, and Yeon-joo summons Moon-young's sealed past. In a desperate crisis that no matter what you can do, the trial date approaches, and Moon-young finds herself at a crossroads.

Moon-young chose to attack head on. But Ha Yeon-joo has no intention of stopping here. Ha Yeon-joo is even more furious at Moon-young's choice, and sets her sights on Cha Bom, the last and most precious being to Moon-young.

Moon-young has no hesitation anymore. Moon-young chases after Sung-jae and Yeon-joo as she begins to find herself on the defensive. Jin-woo, Shin-hwa and Inspector Baek become Moon-young's reliable helpers. However, Yeon-joo's counterattack was not over.