It's only through reading an article about a small incident in the park with Do Guk that Yi Joo uncovers his ulterior motive. Confronting him, she presses for an explanation, and to her delight, it turns out to be quite heartwarming. To add to the surprise, Do Guk proposes that she reside in his house, minus his presence. Feeling a sense of dependability, Yi Joo cherishes the moment, unaware of the uncertainties ahead.

The day after the incident at the ferry port, Yi Joo learns that Do Guk is dealing with a panic disorder. Believing that Jung Wook holds crucial information about Do Guk's condition, she arranges a meeting with him, going against Do Guk's explicit request not to meet. Despite her worry for Do Guk, he sternly warns her not to cross the boundaries of their contractual relationship. Seeking comfort, Yi Joo visits her grandfather and encounters an incredible story about her birth.