When a strait-laced genealogist's wayward sister mysteriously vanishes, she's forced to team up with a ruthless mercenary. Neither expects to find love in between deadly threats.

Tia Benning was thrilled when a DNA database connected her with a sister she never knew existed. When her newly-found sister vanishes, Tia travels cross country in search of her and lands in a terrifying situation.

Infinite Security operative Daxon Meade learned long ago to not trust women - to live life with no strings attached. But the more time he spends with Tia, the tougher it gets to remember his own rules. Together, Dax and Tia must find her sister and the key to the crisis, all while trying to resist the intense attraction between them. As danger and desire keep increasing, can they both survive when it all blows up?