A destinied couple got together due to their unique family background. For centuries, their family carries a special yet dangerous missions. In the entire world, there's only 5 families that behold this responsibilities. They went around saving people who were struggling with the spiritual. Zen and Claire are the only child in their family, thus was given a special ability which can use to suppress and kill the demons or any kind of spritual from the other dimensions. Along all of the incidents, they were both assisting each other, Many obstacle occurs, will they be able to uphold their responsibility and helps other?