Alessandro Santini, an Italian doctor from the twenty-first century, lives an ordinary life in modern day Florence. But one evening, he passes through a swirling vortex caused by a supermoon and discovers he has stepped three hundred years into the past. Countess Rose Estes is torn between following her dream of becoming a historical painter and her duty toward her family. After Rose's father is wounded during her birthday ball, Alex and Rose burn with questions: Who attacked him with a flying dagger? Why? Forced to go to Siena and spend fourteen months together, Rose and Alex find themselves...