Royal Marine A.J Budd awakes in a mysterious house and is forced to fight for his life everyday against grotesque inhuman opponents. Trapped alone in an unchanging prison of unbreakable routines, he must kill every day or die himself. As days stretch into years, the isolation and unceasing violence threaten his very soul.

David is a successful city trader in London who is relentlessly focused on work. Beneath the confident facade, he is trapped by memories of the past and hostile to anyone who dares to help. Flashbacks reveal a childhood in South Africa at the mercy of an inadequate bully of a father Donald and an ineffectual mother Joanne. The physical and sexual abuse he suffered threatens any chance of happiness he might have now.