Caroline has an important package to deliver for her father in the big city of Albany. That means a three-day stagecoach trip with her friend Rhonda! The other travelers, including a charming magician and a beautiful young woman with a sad past, fascinate the girls. But when Caroline's precious package goes missing, she realizes the culprit must be a fellow passenger. Will she unmask the thief in time, or will her promise to Papa be impossible to keep?