Special blood line

This story is about a girl finding out what kind of blood she has running through her veins. Is she part vampire or part werewolf? If she handles the truth well then certain people will tell her what kind of blood line she must continue like the great leaders before her. But she must complete a certain series of tasks before being accepted. What is she going to do about it? Will she join a secret organization if she doesn't make it? Will she even be able to handle the power and truth with this secret? Can she control it?