Marinette has the power of good luck and creation. Yet her life has been anything but lucky. She's lived in the circus ever since she was baby, raised by the cruel Hawkmoth who constantly tells her what freak she is. Despite this she grows into a beautiful young woman with an independent spirit, however she believes there's no one else in the world like her.
Adrien has the power of bad luck and destruction. He was adopted by the kindly Master Fu after being found as a two year old. Fu loves him like his own son and raises him well. Although Adrien has good intentions and means no harm, he causes disasters everywhere he goes making life hard for Fu. When he becomes a young man he causes an accident so bad that the townspeople demand he leave.
When they reach adulthood they learn that they came from a mysterious wall somewhere in the forest. Marinette, tiered of Hawkmoth's abuse and Adrien not wanting to cause Fu anymore trouble, decided to run away and find out where they came from.
Entering the door, they learn that they're not in Kansas anymore. The find themselves in a world of mythical creatures and beings. When these two meet and discover they're both magical, a connection is formed but they have to deal with an evil warlock called Simon Says who rules over this land. They also run into some interesting characters: Two rude elves, a lovely fairy, a lazy goblin, some idiotic pirates, and three friendly nymphs.
This an AU that was inspired by Stardust, The Labyrinth, and other movies.