The chief of Sampo City Police Office, Seung-u, organizes a simulation of a bank robbery, but a by-the-book cop gets too caught up in the role playing in which the simulation doesn't go the way he had anticipated.
Going by the Book is a 2007 South Korean heist action comedy film. This is a remake of the 1991 Japanese film Asobi no jikan wa owaranai (遊びの時間は終らない).