Prison Playbook

All-star baseball player Kim Je-hyuk is imprisoned due to an unintentional incident.

Je-hyuk meets his friend, Jun-ho, working as a prison guard. Je-hyuk prepares for his second trial.

Je-hyuk moves to a new prison after the second trial and meets the people he has to live with.

Singing competition is in prison, and inmates are excited. But something's wrong with Je-hyuk's arm.

Je-hyuk announces his retirement as a baseball player, but people still wait for his return.

While prisoners are excited about the quiz show, everyone in Je-hyuk's cell is walking on eggshells.