Werewolves are powerful strong and athletic, they have mates, companions for life. But she isn’t. She was the only human in the pack... a simple girl alone and unlucky for them, her weight even mocked and seen as a weakness. After the pack suffers a fire, everyone claims that it is the humans' fault and that Tatiana is involved. The alpha's own son, Sebastian, exiles her, leaving her alone in the world. Years later, a meeting of the alphas with several packs makes her come face with Sebastian... and he discovers that she is nothing more than his killer, he couldn't help but be attracted to her. Together they will have to face betrayals and hidden interests, as well as overcome their past that seems to come to haunt them. What will happen if the great alpha discovers that his mate is not just a weak human, but a curvy girl and a traitor?