Retired Pirate Nathaniel Dagger finds his own "treasure map in a bottle" washed up on his beach, 30 years after a Hurricane swept it into the sea. With the help of his First Mate Carrot, a host of unique characters, quirky boats and inventive gadgets, Captain Dagger comes out of retirement for one last adventure and discovers that the true treasure may not be gold, silver, or gemstones after all.