The Peckham Boot Gang arrive on G-Wing and stir up trouble. Al McKenzie begins bully Shaz. When Nigerian prisoner Femi is bullied by the officers, Nikki organises a sit-in to help. But with the Peckham Boot Gang involved, things look like getting out of hand, and a riot takes place on G-Wing. Plus, the Peckham Boot Gang reveals their plan to get rid of Yvonne, after Yvonne batters Al.