Eleven-year-old twins David and Derek Tulley are less than thrilled when they find themselves at their elderly babysitter's house for the evening. As they settle in for what they think will be the most boring night ever, the twins have no idea everything is about to change when the babysitter's wheelchair-bound sister, Anna, arrives and offers to tell them a story. Anna uses a special story stone to help her spin a tale that without warning transports her and the boys to the imaginary land of Pelemnia that is filled with new creatures, tasty foods, and fun places to explore. In the fantastical land, Anna, who has transformed into a little girl again, encounters a childhood friend who helps reveal her past and the mysterious story behind the stone she holds in her pocket. Now the boys must help find a way to turn a poor choice from years gone by into a good choice for today. In this exciting tale, young twins propelled into a strange fantasy land with help from an elderly woman's magical stone learn valuable life lessons and how to make God a priority in their lives.