Cissy Cahill's world is unravelling fast. One by one, her family are dying. Cissy's right to be afraid -- but not for the reasons she thinks. The truth is much more terrifying. Hidden in the shadows of the Cahill family's twisted past is a shocking secret -- a secret that will only be satisfied by blood. And Cissy must uncover the deadly truth before it's too late for herself and her innocent baby son.