A dark secret from the dying days of war-ravaged Nazi Germany re-emerges half-way around the world on a West Coast island and exerts a malevolent influence on its present day occupants.

Thirty-something Terri Stark is living on isolated Arcadia Island while recovering from a failed marriage. But one day trouble comes to paradise. Someone is spying on her, and soon her beloved dog Ned goes missing. After a break-in, a mysterious person appears at her door and makes none too subtle threats. Terri has only one person to turn to: her estranged husband Jack, whose arrival escalates the situation.

Soon they are separated again, Jack running for his life from relentless killers, Terri forced into a desperate treasure hunt, their survival dependent upon her success. A teenage defector from the enemy camp turns out to have vital information – and a hidden agenda of his own.