Elijah and Michael are twin brothers that were given by their own parents to experiment on. Dr. Grey (the one to experiment) being cold and always calm is starting to act strange after experiment is successful?
Second part is about boy named Leon and his strange looking doll that seems to talk to him when no one is around and his mother is slowly losing her sanity over it and her abusive husband.
Princess Eliza is called "black widow" even though she never was married. All her fiancés are dying under strange circumstances and dark atmosphere is inside castle's wall.
Noel is coming from a long line of demon hunters, but he knows for sure, it's not demons that humankind should fear.