As the Diamond Ball approaches, the world's greatest jewel thieves have assembled in Washington DC for one purpose: to steal the cursed Hope diamond which will hang around Veronica Rossmore's lovely neck. Former FBI agent, John Monroe, is hired to play bodyguard to Veronica. When she starts receiving threatening notes from the Ghost, the most infamous jewel thief in operation, John is forced to look into the society girl's mysterious past. As John uncovers the layers of her secret life, he finds himself falling in love with the seductive and enigmatic Veronica. On the eve of the ball, John is on a mission to protect Veronica and the Hope from the Ghost, but can he discover the notorious thief's identity in time?