Human and wolf cant be together.That was the rule when you were chosen to become a wolf.But..because of an orphan girl who show them an act of true kindness,the broke the rule and become friend with that girl.But one day,the girl left them for some reason..In the age of 18,the girl come back to Korea with the hope to meet them again and it turn out she think they already gone for some reason.But actually..They were always There..