Corrine loves treasure hunting on the beach, just as she did with her grandfather before he passed away. One day, her eye is drawn to a beautiful conch shell. To her shock, a pin-sized girl peers out. Kauri is a Democonch, a tribe of tiny people who criss-cross the world with the tides, protecting nature. But now they're under threat. What they need is a human child to help them, a shell keeper ...