Cassandra Caravello is trying to forget Falco, the wild artist who ran off with her heart, as she grows closer to her strong, steady fiancé, Luca. But Luca seems to have his own secrets. When he's arrested by soldiers in the middle of the night, Cass' life is once again thrown into chaos. She must save Luca, and that means finding the Book of the Eternal Rose - the only evidence that will prove he's innocent. So begins her journey to Florence, a city haunted by whispers of vampirism, secret soirees and clandestine meetings of the Order of the Eternal Rose.