Watchers

Lexi is introduced to a world she never imagined existed were: werewolves, vampires, fairies, sirens, warlocks, angels, and nephilim coexist in an underworld and work together to fight of demons, in which she unknowingly is part of. After her tutor is killed she is taken to the underworld to get protection and learn about her race not knowing that she is the last known guardian of a secret door. She must leave everything behind her to protect what is behind the door which could be the destruction of both the demon race and human race.