Sung-jae says he didn't kill anyone. The moment the truth is revealed, and the whole family is in danger of collapse, Moon-young finally decides to protect her husband. She rather sues Ma-kang, demanding 7 billion won in exchange for her dead vocal cords.

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.