The three-part drama, "Quiz" tells the story of Charles Ingram (Matthew Macfayden), a former British army major, who caused a major scandal in the early 2000s after being caught cheating his way to winning £1 million on the game show "Who Wants To Be A Millionaire?". It tells how Ingram, his wife Diana (Sian Clifford) and an accomplice, Tecwen Whittock (Michael Jibson), who was sitting in the audience, initially pulled off the on-screen heist before being caught and standing trial.