Persecuted and hounded by the public and press - Charles, Diana and Tecwen head to court. At first it seems the case for the prosecution is a fait accompli, but as the case for the defence gets underway, the jury learn there is far more to the story than they know. Alas, when faced with a fifty fifty question, they return with a verdict of guilty. Paul Smith triumphs over those who sought to hack his life's work, but victory does not taste as sweet as he might have imagined. The Ingrams return to a life in tatters to find that, despite losing everything, their love for one another remains.
Quiz tells the story of Charles Ingram, 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 and an accomplice, Tecwen Whittock, who was sitting in the audience, initially pulled off the on-screen heist before being caught and standing trial.