The Riddle Key

Antiques expert Marina Cavanaugh is offered an exorbitant salary to appraise a dead man's estate. For a chance at easy money, she accepts the job but soon discovers hidden cameras in the darkest, gloomiest house she's ever seen.

Jonathan Blandish, who hired her, wants to know why his murdered brother left a series of cryptic messages implicating Marina. Even a layman can see the house contains only rummage-sale junk. But his brother's forty-million-dollar fortune is missing, and Marina is th...