To restore his family's lost wealth, a young Boston lad stows away on a ship bound for the California Gold Rush. When their very proper butler gives chase, all roads lead to nonstop adventure, wild and woolly characters, and a lucky punch that leads to a bonanza of belly laughs!

After being shipwrecked, the Robinson family is marooned on an island inhabited only by an impressive array of wildlife. In true pioneer spirit, they quickly make themselves at home but soon face a danger even greater than nature: dastardly pirates.