Several criminal lawyers reunite every year in the Swiss mountains to entertain themselves with fake trials and murder mysteries. At one year's party, an unwitting American becomes part of the game.

A bassist shows up early for the betrothal ball of a beautiful princess, and whiles away the time having a dip in the river. The princess is doing the same, unbeknownst to the bass player, but when someone steals their clothes, the bass player helps the princess to preserve her dignity by transporting her back to the castle in his bass case, and along the way they discover they have feelings for each other. Based on a short story by Anton Chekhov.

John Cleese is hilarious as the descendant of Sherlock Holmes in this modern detective drama of international power politics and intrigue. Unlike his illustrious grandfather however, he only succeeds in bungling every job he organizes. Also stars Arthur Lowe as the "bionic" grandson of Dr. Watson, Stratford Johns as the Commissioner of Police, and Connie Booth as Mrs. Hudson.

1970s BBC television sitcom