Chester Dreadnought bluffs his way into the crumbling stately home of an impecunious aristocratic family, and even a trigger-happy belted Earl suffering from hallucinations cannot keep at bay the enterprising pair of jewel thieves who are pursuing their loot - not to mention Chester - round the castle. Suits of armour and secret doors, mistaken identities and dotty servants all help to provide the variety of fare that goes to the making of this wild goose chase.