Novelist Jeong-seok is looking for his missing wife. A woman appears in front of him and suggests that she can find his wife. Meanwhile, some people approach him and ask him to find missing people. They find themselves becoming chased at some point.

Ryu Seung-Ryong comes back as a fool for his daughter. Outsiders not allowed, in room number 7 of the prison where all kinds of criminals are gathered, comes Yong-goo, a father with the sense of a 6-year-old, and Ye-seung, his 7-year-old daughter. The mission of these criminals in room number 7 is to protect these two who can never stay apart for a single moment. Will they succeed? Written by anonymous