When Marcus and Ellie's grandparents decide it would be good for them to tend the family business, the children discover a strange, secret world that has been kept from them all their lives. Not only is the family business a front, but the children learn that they've only narrowly escaped death since their birth. Follow the children, clue by clue, as they uncover the magical feud that has plagued their family for generations. Will the children survive? Will they find their parents? Those are the small questions. First they must discover the secret their grandparents have been keeping from them all these years. It all comes down to what's hidden at the Magic Shop.