After Rox and Blair accidentally destroy Doodle's beloved new sled, they vow to find a replacement. But that'll mean a farcical series of winter-related trades with their friends around town, including a hard-bargaining Lacey.

A series of mishaps prevents Blair from getting to her house call across town—the first time she'll have ever missed an appointment. Determined, she adventures through tough terrain, doing whatever it takes to make it on time.