Eyes of the Leopard

All Nicole Stewart wants is to see the new black leopard at the zoo. But her visit sets her on a dark, sensual path from which there's no return. It also brings Vitali and Ilia Kerensky into her life. The brothers are two of the few remaining victims of a centuries-old curse placed on their native village in Serbia. Doomed to live life half human, half demon-leopard, the Kerensky brothers pull Nicole into their strange world, shared with their sister Nadia and their nemesis, Mikhail Turgenev. Then there are the other. Americans, like Alex and Joey. and Nicole. Their frightening origins bring mystery and danger to them all.

You've never seen darkness 'til you've looked through the eyes of a leopard.