Stan is a fraudulent real estate agent who is married to his beloved Mindy and has a seven million dollar fortune. When he is arrested for fraud, he is sentenced to a three year prison sentence. His assets are frozen by the Justice. Lew Popper is Stan's crooked lawyer. Lew negotiates six month's freedom and the weak Stan, who is afraid of being raped in prison, hires a specialist in martial arts. The Master teachs Stan self-defense. Six months later, Big Stan is sent to the Oaksburgh State Penitentiary totally confident in his expertise in martial arts. He challenges the violent leaders of the gangs and defeats them. Now, he is respected by the inmates and bringing peace on the patio. Warden Gasque has intentions of transforming the penitentiary into a luxury resort, and uses Big Stan knowledge to improve his project, promising to release him sooner using the corrupt penal system.