After discovering her boss’s murdered body, Susanna Trent receives an unusual package from him filled with strange metal tokens and odd clues. Soon afterward she gets an anonymous phone call taunting her with thinly veiled threats. Though worried for her life and that of her three-year-old niece, Susanna can’t force herself to trust anyone, especially Jack Townsend, who she considers just another spoiled rich boy.

But Jack’s sharp intelligence proves that he may be the one person who can help her unravel the mysterious puzzle. When the worst thing Susanna can imagine happens, she and Jack led into a dangerous game where the rules are uncertain, and the stakes are life or death.