Fifteen year old Cleo Henderson have heart problems. She is very athletic and a great martial artist. She is stubborn, smart, strong and may not look or act like it but she is very nice and kind-hearted. But the her doctor said ten years ago, when she was six, that she will die when she turns fourteen and the sign of spring is here. That was a lie. But she was able to survive the day she was suppose to die. But will she able to survive one more year?
One hundred and sixteen year old Kai Macneill is a vampire. He loves blood, but he gets crazy when he sees blood.
There meeting clashes between human and vampires and other fantasies monsters. They both save each other, but how long can they last? But one thing for sure is that Cleo's heart is like a timeless flower.