One minute Jack's in math class. The next, he's on a dark, cobblestoned, empty street. Empty, that is, except for a skinny girl wrapped in a threadbare shawl. "Matches, mister?" she asks, and just like that, Jack's life collides with one of Hans Christian Andersen's grimmest tales. And just when he has almost convinced himself it was just a weird dream, it happens again.

Suddenly, Jack's ideas about what is "real" or "possible" no longer apply. While he and his new girlfriend, Lucy, struggle to understand who or what the Match Girl is, they come to realize they must also find a way to keep Jack away from her. The Match Girl is not just a sad, lonely soul; she's dangerous. And each time Jack is drawn into her gray, solitary world, she becomes stronger, more alive...and more attached to Jack.

She wants to keep Jack for her very own, even if that means he will die.