Sammi takes charge as a prison guard in a neglected prison where the strong inmates dominate the weak.

The clean-up campaign begins as two consultants from the Correctional Service monitor the prison's operations.

Information from Sammi's secret source leads to more successful raids.

The inmates suspect a snitch among them.

News spreads of a dirty cop in the prison.

The officers tensely wait for the prisoners' response to the death of an inmate.