This family adventure follows a young boy, Danny Quinn (Seth Bernard) as he dreams of finding a lost pirate treasure that his deceased father swore could be found at the bottom of Lake Michigan. No one else believes in the treasure, especially Danny's grandfather Ben (Ernest Borgnine). However, when Ben suffers a terrible accident that forces Danny into a foster home, Danny seizes the moment. Running away, he encounters a mysterious force that provides him with guidance, and along with a misfit gang, he sets off to find the treasure.