Liz Chambers is a devoted mother who works for a successful law firm. She has two children, a husband and a blossoming career. But behind closed doors, Liz is harbouring a secret that could destroy her life. Then the unthinkable happens, and in a frenzied attack, her young son is snatched from the home of the childminder charged with looking after him. As Liz's life unfolds, it becomes clear that someone is out for revenge. Desperate to get her baby boy back, Liz must work out who is responsible for his kidnap, and why. But as the body count begins to mount, Liz's concern grows for the safety of her child. Who has taken her baby? And why is Captor so determined on revenge?