Hong Kong martial arts action comedy directed by Lam Nai-Choi. When Ricky (Fan Siu-wong) becomes imprisoned after avenging his girlfriend's death, he learns that the jail is being run by a group of gangsters led by the prison warden himself. After angering the captain of the cells, Ricky is hunted down by a host of different enemies.

He must then fight his way through the jail, gathering support along the way, as he attempts to put an end to the corruption found within the prison walls.