Amidst the French revolution, Citizen Robespierre is beheading the aristocracy! When word gets to England, noblemen Sir Rodney Ffing and Lord Darcy Pue take it upon themselves to aid their French counterparts. Sir Rodney is a master of disguise, and becomes 'The Black Fingernail' scourge of Camembert and Bidet, leaders of the French secret police.
Don't Lose Your Head is a 1967 British swashbuckling comedy film, the 13th in the series of 31 Carry On films (1958–1992). It features regular team members Sid James, Kenneth Williams, Jim Dale, Charles Hawtrey, and Joan Sims. Set in France and England in 1789 during the French Revolution, it is a parody of Baroness Orczy's The Scarlet Pimpernel.