A missing Marine and stolen diamonds lead Private Eye Skylar Drake to Sin City in 1955, where the women are beautiful and almost everything is legal- except murder. The FBI and a Las Vegas crime boss force him to choose between the right and wrong side of the law. All the while, government secrets, sordid lies, and trickery block his efforts to solve the case. Common sense tells him to go back to L.A. but his gut tells him to find his fellow Marine