Calla is an ordinary high school girl, but those who know her closely know that she belongs to the caste of Warriors - wolves who know how to handle people. They are run by the Guardians, backed by the support of the terrible Ghosts. Warriors are forbidden to communicate with ordinary people . Calla is not a simple Warrior, she is the leader of a pack of young wolves from the Knightshade clan. Her fate is predetermined from birth. Guardians want to unite young people from two ancient clans to create a new flock Calle is destined to marry the young leader of another clan, a beautiful and strong wolf named Ren. The girl submits to the will of the Guardians and waits for the conclusion of the union . One day during a patrol in the forest, she saves a beautiful young man from the clutches of a bear. Calla knows she broke the law, and fears a well-deserved punishment. Saved young man turns out to be a new student. After meeting him again, Calla realizes that she cannot resist mutual attraction. There is a mysterious connection between him and her world.