S1 • E1
A strange disease sweeps through Britain and the world with amazing swiftness. Abby Grant searches for her son. Jenny thrust out of her city life wanders through the country around London trying to find a way to survive.
S1 • E2
Greg comes home to find Britain just as desolate as Holland. Abby continues to look for her son, and finds that not all the gatherings of survivors have altruistic motives. Jenny finds it a challenge to survive on her own.
S1 • E3
Abby, Jenny and Greg drive to the nearest large supermarket to stock up on food. While there, they come up against some armed men who are working on Wormley's behalf. The men threaten to shoot them if they take the food and insist they sign up at the community. Abby refuses, and her group manages to overcome the men and escape. Arriving back at the church they find a tramp, Tom Price, has taken shelter at their house. He agrees to join them and help. He tells them of a young boy he encountered who Abby hopes may be her son. Abby, Greg and Jenny go to find him but discover he is dead, but is not Abby's son. While away, Wormley's men have discovered their base and wait for their return. Tom agrees to join their settlement, and they begin trashing Abby's group's possessions. Abby, Jenny, and Greg return, but one of Wormley's men warns them not to enter the church, so the trio waits in the dark until the gang leaves. Fearing for their safety they leave the area the next day, with Abby vowing to continue searching for her son.
S1 • E4
Abby, Jenny and Greg are driving towards Abby's home town of Brimpsfield, looking for her son. At a petrol station they find posters for a nearby settlement. They run across settlement members, Charles and Loraine, who themselves have just found a young boy, Mick. Greg, Abby, and Jenny decide to accompany them to Maredell before deciding whether to join forces. On arrival, they discover that many in the settlement have become mortally ill from poisoned fish. They soon learn that Charles is obsessed with repopulating the earth and is trying to impregnate as many women as possible to achieve this goal. His intentions now turn to Abby, who is horrified. The trio leaves the following day.
S1 • E5
While Abby goes to her son's school, Jenny and Greg run across two small children, John and Lizzie, who have been living in the home of John's dead grandmother. When they all go up to the school to meet Abby, the children tell them about a bus full of school children who have gone up to Derbyshire, "where the angels are". They all take off to the area and find a house to stay in, but Greg is accidentally shot by a man who took shelter there, Lincoln, who's given Greg a minor flesh wound. The man tells the group that armed men calling themselves "The British Government" recently came, taking many of his supplies. Abby leaves on her own and finds the "angels," three religious men who have isolated themselves in the hills. Later, when Jenny, Greg, and the children set out to follow Abby, Lincoln takes Lizzie hostage, but she is saved by her dog. The group leaves Lincoln behind and rejoins Abby at the "angels'" cabin. However, the men quickly become ill, and they realise Abby has brought the plague with her and infected them. The five travellers leave after the three men have died.
S1 • E6
Abby accidentally gets involved in a local war when she picks up a wounded man being chased by a group of armed men. They shoot one of Abby's tyres as she escapes. The man, Jimmy Garland, takes Abby to the cave where he has been staying: there is instant chemistry between the pair. He is the rightful owner of the Waterhouse manor but has been evicted by a larger group, led by Knox. While Jimmy is finding another vehicle for Abby she is captured by Knox, who convinces her his intentions for Garland's estate are reasonable and honourable, and she agrees to find Jimmy and play mediator between them. Jimmy, however, has kidnapped one of Knox's women as collateral for Abby. Abby brings Jimmy to Knox, but his men attack and restrain him. Abby leaves, and finds Greg, Jenny and the children looking for her. Back at the manor, Knox is torturing Jimmy to reveal the whereabouts of the girl. As the men go to the hut to retrieve the girl, they are surprised as Greg bursts through the door with a shotgun, demanding that Knox's men let Jimmy go. They make the exchange and escape, though Jimmy insists he must stay to continue fighting his "war."
S1 • E7
As the gang find a place to call home, an old friend returns to join them, along with some new faces..
S1 • E8
Some of the gang return to the quarry to pick up what remains of Vic's hoard, only to find out that he's still alive.
S1 • E9
In celebration the gang have a party. Not being used to the effects of alcohol, things get a little out of hand and the gang vote on a suitable punishment for those at fault.
S1 • E10
Two strangers on the run from a possessive merchant fall under the mercy of Abby, Jenny, Greg and the Gang. Trouble ensues as the gang try to protect the strangers.
S1 • E11
Vic is struggling to adapt to life of disability in a world where only the strong survive. An old face from the past returns, giving Vic a new reason for living, not necessarily for good reasons.
S1 • E12
A visitor spends the night, sneaking off in the morning but not before he notices the tanker full of petrol. Greg and Jenny take the tanker to a neighboring community to trade while the visitors chase them down.
S1 • E13
The group are becoming irritable with each other after trading their petrol for some seed which turns out to be bad, and a fox has killed their chickens. Abby, tired of her role as the leader, retreats and talks it over with Jenny, who reveals she is pregnant with Greg's child. A wandering group arrives and requests shelter for a sick woman they are carrying. The group says they were driven from their land by a large band of thieves roaming the area. Greg and the others in his group agree to contact other settlements so they can band together and form an alliance against similar attacks. Abby meanwhile, needing some peace, leaves the settlement to seek out Jimmy Garland, and stays with him in his house. Back at the settlement, the sick girl, Ruth, recovers and tells them she was a medical student; she mentions that she was staying on a barge with some other people, one of whom was a boy named Peter Grant. Abby returns the next day with Jimmy. Jenny rushes out to tell her the news that her son is still alive.
Jenny
Greg Preston
Charles
John Millon
Lizzie Willoughby
Hubert
Pet
Abby Grant
Arthur Russell
Ruth