Frankie Howerd double bill. In 'Up Pompeii' he plays a lazy slave living in ancient Pompeii. When a document falls into his hands listing the names of those plotting to assassinate Emperor Nero, he is forced to infiltrate the group. Hilarious mishaps result. Whilst in 'Up the Chastity Belt' Lurkalot (Howerd) is a humble serf in Custard Castle, who runs a side-line selling chastity belts and love potions at the local market place. He is called upon to save the day when Sir Braggart De Bombast attempts to seize the castle and kidnap the beautiful Lobelia De Custard.