Do-yi's marriage announcement stuns everyone, but an even greater surprise awaits as they learn that the groom is Ju-nam. Everyone gathers for Eun-seong's birthday, and the housekeeper offers them a look into their past, starting with Deung-myeong. Chi-gam confesses his emotions to Ri-an after learning about his past. Meanwhile, Ri-an returns to the pond she arrived at on the first night, and Chi-gam becomes aware of it and starts searching for her.