Emma Watson entered the vault of a well-known collector of rare works of art in order to steal documents ordered by a client. Unexpectedly, she finds herself trapped. As soon as the girl picked up the ancient crystal key found in the vault, a mysterious door appeared on the back wall of the room. The key fits, but instead of the expected freedom, Emma finds herself in an unknown world. There are only two races here - witches and werewolves - constantly at war with each other. When Emma comes under magical fire, she is saved by the stunning werewolf Keir D'San. But soon the girl develops magical abilities, and this is an extremely dangerous path. So she may lose the only man she ever wanted to love. Keir has been fighting witches all her life. In the midst of yet another battle with his arch-enemy, he encounters and saves a very brave woman - neither a witch nor a wolf - and saves her. Their chemistry is immediate and their attraction is explosive. But Emma begins to turn into a hated enemy, and Keir is faced with a difficult and inevitable choice . Duty requires acting in the interests of the werewolf clan. The heart belongs to the witch - his true mate.