Part 7/10:
With the encouragement of other inmates, Chi Sung devises a plan for a mass prison break. Initially involving the construction of secret tunnels, the plan evolves into a daring action involving an old wall that they hope to break down. Despite the guards’ mockery, the prisoners persist, and the situation is ingeniously turned in their favor when an external factor—a plane crash caused by an accidental gunshot from Joo Jung, a fellow gang member—creates an opening for escape.