If you grew up with any then you can understand the true meaning of a love/hate relationship.
Despite any differences you might have had in the past, what would you do if they went missing all of a sudden?
How far would you go to find them?
Would you be willing to risk your life for them in a world now swarmed with vampires?
If at any point you felt hopeless just keep in mind that wherever there is evil, good is just right around the corner.
Enter a world torn by a war between vampires and angels and see if this human vigilante could survive the hunt for her missing sisters in, Bloodtraffick.