

Abby, Greg and Jenny are still searching for Peter. Greg and Jenny are becoming closer. They meet a man called Charles Vaughan (Denis Lill), a self-sufficiency expert, who has sobering theories about the number of survivors of 'the death' and their prospects for the future. He invites them to join his community, but it soon becomes clear that he has a hidden agenda which could involve Abby...
A virulent flu bug is spreading through the country like wildfire. Abby Grant (Carolyn Seymour) and her husband David (Peter Bowles) are aware that the flu has reportedly claimed millions of people's lives in China, but they don't think that could happen in England. Abby becomes ill and takes to her bed. Meanwhile Jenny Richards (Lucy Fleming) learns from a doctor that this is no flu bug and that hundreds are now dying. Acting on his advice she flees London for the countryside. Abby wakes days later and fears that she may be the only one left alive...

Abby meets Arthur Wormley who has some strong ideas about how the survivors of 'the death' should organise themselves. Meanwhile Greg Preston (Ian McCulloch) meets a strong willed woman called Anne (Myra Frances) who needs his help to rescue a man who is trapped under a tractor in a nearby quarry. Elsewhere Jenny is still wandering the countryside alone...