The prison is on tenterhooks as the war between Marie and Rita goes over the edge, after Rita has spent a very long time in isolation, she's out for revenge and so is Marie. With her hopes of release fading, Rita is forced to take drastic measures to prevent Ray from wasting his life on her.

Kaz is sent to isolation for everyone else's safety, while a new prisoner arrives and is a blast from Rita's past, as the prison spirals out of control, Will and Linda both struggle in their new positions to get on top of the drugs problem.