Once again, the grueling blackmail against the family begins, and Moon-young takes on an illegal defense. As she steels herself in front of her family's heartbreaking reunion, a surprising truth is revealed.

Moon-young breaks down in front of the evidence sent by Yeon-joo, and to make everything right, she arrests Sung-jae with her own hands. Meanwhile, another secret that will stab Moon-young is revealed.

Moon-young's world has collapsed. Sung-jae and Yeon-joo reveal their hidden true colors. Moon-young discovers that there is a bigger plot behind their evil deeds, and she and Jin-woo prepare a shot to turn things around.