When Hae Won sees Bo Yeong, she is reminded of the pain she endured in high school. Meanwhile, a cold snap engulfs Bukhyeon-ri and the water pipes in Hodu House begin to burst one by one. Hae Won has no other choice but to stay with Eun Seop for the time being. When Eun Seop goes up to the mountains at night, Hae Won tries to find him.