Believing Eun-ae deceived him, Gyeol coldly pushes her away. Eun-ae desperately struggles to change his mind. Min-ho finds Gyeol's sudden change of attitude suspicious, and Seung-ri grows increasingly anxious, fearing that Min-ho may also get closer to the hidden truth. Meanwhile, Jeong-ran is deeply shocked upon uncovering the dark, concealed past that Gwon-sik has kept buried for years.