Someone is poisoning people on G Wing, and suspicion immediately falls on Tanya Turner, as no one was ill until she arrived. Fearful for her life, Tanya tries to come up with a way to get out of prison and makes a deal with a Yardie gang leader. Fenner returns to G Wing, and is back to his old self again. Natalie forces Phyl and Bev to let her in on their plans, while Tina is convinced she killed Al by stealing the hooch.