When patient Yun-hee suddenly dies at Maria Welfare Hospital, So-jeong and Father Yang are investigated by the police as suspects of murder.

Dae-hyun is offered a judicial deal. Meanwhile, Ye-na's older brother, Geon-su, visits So-jeong and asks her to help him.

Ye-na goes on a final trip with Geon-su, and Gwang-chul starts a business of assisted death targeting the rich, which brings him into conflict with So-jeong.