Werewolves and vampires have never gotten along, their families have despised each other for centuries past and never stopped

The two are very different and what highlights It the most is the imprinting,a quality that only werewolves have, which allows them to find their soulmate for the rest of their lives. The imprinting happens only once in a lifetime and if it happens on one person it means that that person is and will be your soulmate and the werewolf have to protect them whit their life