Kim Stokes is a strange young misfit raised by survivalist mother Tina; now all grown up, Kim sets out into the real world for the first time on a secret mission.
Thinking that the world is on the brink of ending, Kim faces her father's killer in a showdown, while Jay tells a disapproving Nicky that he plans to propose to his girlfriend; Nicky is forced to make a desperate confession.
After kidnapping her daughter, Tina and Kim must return to the mansion to stop an execution; as Nicky attempts to repair his relationship with Kim, Jay makes a discovery.
Unaware that Brooks and Thompson are closing in, Kim takes a day at the beach to remember her dad; Tina's lies compel Nicky to show Kim the truth; Beth confronts Jay about the stolen cash.
As Kim tries to cope with the fallout from Tina's lies, Jay confesses about the money; Nicky reveals his betrayal to Kim; when Tina's escape plan backfires, they're forced to retreat to the forest with Brooks, Thompson and Beth in pursuit.
Safely back at their cabin in the wilderness, Kim and Tina prepare for the final showdown; Nicky tries to make amends with Kim; Beth opens up to Jay; Kim learns the painful truth about her mother's ultimate secret.
Maisie Williams
Kim
Sian Clifford
Tina
Mawaan Rizwan
Nicky
Taheen Modak
Jay
Jason Flemyng
Brooks