When Lady Emma Grace Hastings receives a much-coveted invitation to the most auspicious Christmas party of the season-one that comes with a 10,000 pound prize for the winner of a mysterious game-she cannot believe her good fortune.

But as the guests are assembled at Mistlewaithe Manor, the chilling intent of the game is revealed. Each guest has cause for alarm, because all of them have secrets, and to win the prize money, those secrets must be exposed.

Things take a sinister turn when Emma Grace finds herself caught between her old love and her soon-to-be betrothed. Suspicions abound, and old wounds are opened. The dead body in the study does not help. Nor does the raging winter storm that prevents escape from the manor. Emma Grace must battle her heart, use her wits, and put her sleuthing skills to the test to survive the weekend alive.

Because there is a murderer among them.

And no one with secrets is safe.