Seol-ah, surprised by the images of Woo-jae and Na-bi in the CCTV footage, gets angry at Woo-jae, and Woo-jae asks what on earth happened between them. Jung-ae tells Na-bi to quit her job, but Na-bi does not give in to her wishes. Meanwhile, Baek-gi becomes jealous when Chan-ki helps Gook-hee with her studies and it seems like this will bring them closer...