Ok-soon finally reveals a long-hidden truth to Kang-se. Struggling to process the shock, he confides in Marie, and she comforts him and vows not to give up on him. Meanwhile, Ki-chang reappears with intentions that raise suspicion, and Poong-ju keeps a wary eye on his motives. At the hospital, tensions escalate over the issue of Jo Hyeon-bae's legal guardian.
