Everything you feared when you were a child is real. Demons in your closet. Animal like things hiding under your bed. And it has a taste for blood.
A rich vampire family that has sworn its secrecy to the elders hunts and traps humans for their meal. You can either be a part of the family or a human.
A deadly flu has hit the earth, killing most of the population. Those who are left need to band together for survival, though some may still catch the sickness.