This guy escaped from a highly guarded prison with a pocket knife

Yakala prison is located in the United States San Francisco Bay, is the most densely guarded prison at the time, which is held in the ten evil criminals. This prison is known as the most difficult to escape from the prison in history.
　　Frank was imprisoned in Yakala prison for the crime of bank robbery, where he befriended Limtus, who was good at taming rats, and "Doc", a talented painter with excellent artistic cells. Because of his good performance and superior intelligence, Frank is sent by the warden to work in the prison library, where he meets Inglis, the prisoner leader. The warden's autocratic and brutal rule makes the inmates grow resentful, and after a series of excesses, Frank decides to lead a prison break.