What price would you pay for everything you've ever wanted?

11-year-old Anna has always wanted to be extraordinary, but she feels as ordinary as her sleepy Midwestern town of Longford. Ten a secondhand shop opens in Longford - a shop full of magic that only Anna can see. When the shop's owner, Ruth, offers Anna a job not just anyone can perform, Anna feels that her dream is finally coming true. Proudly, she spreads the news of the shop, charming others into visiting and helping match each person to the perfect item.

Then Anna sees what Ruth's bargains take away from her customers. Ruth's magic is darker than she let on, and so is the life she's offered Anna. Even worse, if Anna doesn't stop Ruth, Longford will be doomed. But what chance does one ordinary girl have against someone like Ruth?