Princess Cathline considered the most beautiful princess in the kingdom of the Black Sea falls in love with a mysterious Prince that keeps visiting her every night after she turned 18 years old .The Prince is named Lucian and he is the last vampire of his kind.He is a royal vampire and the most beautiful man she's ever seen. They love each other dearly but there's a problem...She can't marry a man that is not alive.How is this love story going to survive when one is dead and one is alive?They are so different and so in love. But by the human laws, they can't marry each other. They need to find a way to remain together but there will be many sacrifices that need to be done. There will be many people that will try to stay in the way of their love and is not going to be easy at all for Lucian to decide what he should do while Cathline knows exactly what she is doing, and she is not going to give up on her royal life.