Karen Clarke takes her little girl to welcome her husband Rex, who has just been released from prison after twelve years. Driving to their seaside home, Rex wants to stop and look at the house where, twelve years earlier, they lived after being introduced by Rex's extroverted, drug-taking sister Biba.

Flashbacks tell the story from the moment Karen is drawn into the extraordinary world of Biba and Rex Capel to reveal the secrets she is now hiding.