Going by the Book (2007)

Seung-u, the head of the Sampo City Police Office, plans a meticulously organized bank robbery simulation to train his officers. However, one overly dedicated cop immerses himself in the exercise, leading to unforeseen and chaotic outcomes. His strict adherence to protocol causes the situation to spiral out of control, challenging the team's ability to manage the unexpected twists. As the simulation unfolds, tensions rise, revealing the complexities of following the rules while adapting to unpredictable scenarios. What begins as a routine drill quickly turns into a lesson on flexibility and the unpredictability of real-life crises.