One brave dog. One determined girl. One secret the world is not ready for. Shayna and Tuck have always been a team. She is the curious one. He is the loyal one. Together, they can handle anything. When the ground gives way near an old mine, Tuck does the impossible. From that day on, strange things follow. People start calling him a miracle dog. Some want to celebrate him. Others want to control him. When Tuck disappears, Shayna will break every rule and risk everything to bring her best friend home. What she discovers in a hidden lab at the edge of the city will test her courage, her family, and the bond between a girl and her dog.
