The Pack!

In a world were werewolves rule the forests and vampires are forced to live on high mountains in exile, young William has to adapt to his new life as a werewolf as the pack is put under strain by the neighbouring pack and the vampires develop a plan to take down the wolves and once again rule all of the United Kingdom. Will the times when terror filled the hearts of people with vampires ruling return or will the packs stay in control?