Martin Clunes plays Edward, an English tutor at an Oxford language school. Seemingly charming and thoughtful, Edward is really a calculating liar and manipulator. A series of events triggered at a dinner party leads Edward down a very precarious and hilarious path.

After their production "Princess Ida" meets with less-than-stunning reviews, the relationship between Gilbert and Sullivan is strained to breaking. Their friends and associates attempt to get the two to work together again, which opens the way to "The Mikado," one of the duo's greatest successes.