Asami, a vampire who is also half human, is the Daughter of a very powerfull Vampire Lord. She is also his most faithfull servent and is sent out on a assasion mission. To kill another very powerfull Vampire named Kyle. Kyle calls him self the Ture Vampire Lord and is trying to gather all top vampires to go out and Kill the Vampire Lord, Asami's father. But she is to stop him before that happens.
As she huntes him down, is during the time of the full moons when she becomes human for one week, over this time shs is saved countless times by Kyle, meets with him many times and eventually they fall for each other with out the other knowing. But when the time comes and she has a chance to kill him she is torn. Follow orders of follow her heart? And what happens when Kyle finds out who Asami really is and what she was sent out to do.