Korean adoptee Emma Ricci has big plans. A graduate of New York's Fashion Institute of Technology, Emma dreams of starting her own fashion line and marrying her boyfriend, Adam. For now, she waits tables in a Korea Town restaurant.

When two masters of Chinese mysticism tell Emma she's the last in a long line of demon hunters, she assumes she's met two of New York City's crazier inhabitants. Her opinion changes quickly when she and Adam are targeted by wendigos, flesh-eating Native American demons. Emma survives the attack. Adam doesn't.

With the help of Chinese masters Li Bai and...

Until the dreams began, she was just Emma Ricci, the adopted Korean child of American parents and recent graduate of the Fashion Institute of Technology. She didn't even know demons existed until she met Li Bai and Zhan Ziquian, who told her she's destined to be a hellgate closer. Now she's M, a member of an ancient order of warriors-and her missions are more dangerous by the day.

M travels to China to return a hellgate key to its repository in the Yellow Mountains. In China, she learns the secret origins of her warrior line and searches for her long lost twin sister.

Meanwhile, in...