Mudsy and the teenagers encounter Le Feet the Pirate, a beastly apparition, in a haunted Louisiana fortress just as their driver is ready to freeze them in ice.
When a pearl necklace is stolen at the big school football match, the crooks hide it in the football that gets into play, so they suit up and try to get it back.
The gang finds an old story about Redcoats stealing gold and burying it in New England.When they learn that Mudsy saw it happen, they go on a treasure hunt.