The posthumous biography of thief-turned-author Harold Kelly claims that in 1973 he hid twelve stolen emeralds in Hotel Babylon and it gives clues in verse as to their location, causing dozens of guests, including Michael Winner, to turn up and join in the treasure hunt along with the excessively eager staff.

Cast: Nigel Harman, Dexter Fletcher, Anna Wilson-Jones, Emma Pierson, Martin Marquez, Raymond Coulthard, Michael Obiora, Alexandra Moen, Danira Govic, Max Beesley, Paul Chequer, Honor Blackman, Tony Robinson, Lee Montague, Richard Waters