Seo-yeon demands an end to their tangled relationship, and In-ji boldly confronts her. Meanwhile, a mysterious figure lurks near Seo Do-ha's apartment.

Shocked by the bloody corridor, In-ji steps into Do-ha's apartment with trepidation. Who or what will she find, and will she finally get closure?

After learning of Seo-yeon's betrayal, Jeong-won cuts their toxic ties. In-ji decides to end everything and invites Tae-seong for a decisive moment.