Abby is taken to a sealed bio-dome where scientist Fiona Douglas tries to find out how she caught the virus but survived. James Whitaker tells her her cooperation is crucial but he is a liar who says his wife and child are dead whilst he is secretly hiding them. Anya and Al are trapped under rubble in a decaying hospital where they have gone for her to operate on Greg. They survive when Sarah agrees to have sex with a man who will help them and Anya removes the bullet from Greg, who then denounces Tom as a murderer,causing Tom to leave the group.
Stars: Paterson Joseph, Sarah Paul, Zoë Tapper
Director(s): Jamie Payne
Writer(s): Adrian Hodges, Terry Nation