The gang drives to Florida to see Shaggy's grandmother who is in a nursing home there. Worried that his grandma will be disappointed in him, Shaggy pretends he is leader of the gang and Daphne is his girlfriend. However, as always, the gang has to so... (more)lve another mystery, though none of them are sure which is more upsetting: the Ape Man running around the nursing home or the horrific shorts Fred is wearing to keep him cool.