Death of the Blood Rose

A small village hidden deep forest lived a pack of werewolves. These werewolves lived peacefully amongst the humans. That was until the vampire attacked. A war broke out between the two species. That war seemed to last forever until finally the vampires and werewolves came to an agreement. The leader's daughter Valerie would marry the vampire's son. The bond between the two species would end the war.

What if the two couldn't get along? What would happen then would the endless war rein on? Or would the two finally get a long?