Contessa Donnatella di Poliziano has power, beauty, and--as a vampire--eternal life. Her overwhelming regret is a mistake she made centuries ago when she chose not to transform her one true love, Jergan, into a vampire too. Donnatella's choice has deprived her of the only true love she's ever known. But just as all seems lost, the discovery of a 300-year-old note leads her to a gift left by her old friend, Leonardo da Vinci: a machine to take her...