Legend has it that a white witch cursed the werewolf princess and her whole species when she killed the witch's lover, the youngest prince of Joseon. Centuries have passed and werewolves are unable to find true love.It is said that only once the witch reuintes with her lover will the curse be lifted.  Until one lunar ecllipse they did find the prince wandering in the streets of Los Angeles.

Kim Jaejoong, during his comeback concert after returning from the army, receives a call that his childhood friend has met with an accident, leaving Jaejoong as a guardian of his five year old daughter. But here's the catch, the girl Sophie Lee has no idea who Jaejoong is and wishes not to get close with him.