New Deputy Governor Lou Stoke has her work cut out on her first day at Larkhall when a sudden illness starts striking down the inmates. As rumours of a chemical attack start to spread, panic sets in, and all fingers point to new inmate Emira Al Jahani who is sent to Larkhall on suspicion of terrorism. Plus, Neil is found dead in his office following the sudden outbreak of Legionnaires' disease. Natalie's new right arm woman, Ashley Wilcox, is also found dead after contracting Legionnaires' disease. Phyl is shot in a bid for freedom with Bev.
| Name | Type | Role | |
|---|---|---|---|
| Liz Lake | Writer | ||
| Conor Alexander | Guest Star | ||
| Laura dos Santos | Guest Star | ||
| Christopher Rogers | Guest Star | ||
| Bill Buckhurst | Guest Star | ||
| Andrew Forbes | Guest Star | ||
| Sandra De Sousa | Guest Star | ||
| Barnaby Southcombe | Director |