A farcical comedy about a con-man and a girl reporter who find romance while the former is planning a coup at a Swedish dowager's expense.

Stodge City is in the grip of the Rumpo Kid and his gang. Mistaken identity again takes a hand as a 'sanitary engineer' named Marshal P. Knutt is mistaken for a law marshal. Being the conscientious sort, Marshal tries to help the town get rid of Rumpo, and a showdown is inevitable. Marshal has two aids—revenge-seeking Annie Oakley and his sanitary expertise.

Celebrating twenty years of classic Carry On films, two of the films’ best-loved stars, Kenneth Williams and Barbara Windsor return to Pinewood film studios to unwrap some rib-tickling moments from the series. From the original, military mayhem of Carry On Sergeant, through to the really ancient archaeological gags of Carry On Behind, our saucy hosts get their titters out for this laugh-a-second gallop through the most successful series of British comedy films ever made.