Charlie Cooper is a cool girl with a vivid imagination. She is the youngest from a family of the mysterious Cooper family full of captains. The family contains her father Charlie and her grandfather Charlie. The Coopers adventures are so special that nobody believes that they really happened. But Charlie knows better. When the town is obsessed with a exceptional birdegg, the Coopers are convinced that it is a Knootelegg. Which will only hatch on a hidden island. The youngest Charlie decides to go on a daring journey to return the egg to the island. Because for Charlie nothing is impossible!