A man keeps on following Eun-mi. After the recent murder case, Jin-hee becomes anxious and tries not to leave Eun-mi alone, but she is worried because a strange man, Park Jin-hong, keeps wandering around their apartment. Meanwhile, Jin-hong stops by the orthopedic clinic for a treatment.

Jin-hee planned a mother-daughter trip to make up with Eun-mi, but nothing seems to go her way when Jin-hong suddenly shows up and disrupts her plans. On the trip, Jin-hong keeps on tiptoeing between the uncomfortable Jin-hee and unreadable Eun-mi.