The majority of filming for The Good Liar took place across London, with some well known locations featuring including Trafalgar Square, Charing Cross Station, St Thomas' Hospital and Covent Garden. A small amount of filming was done in Berlin when Roy and Betty travel to Germany.
Career con man Roy sets his sights on his latest mark: recently widowed Betty, worth millions. And he means to take it all. But as the two draw closer, what should have been another simple swindle takes on the ultimate stakes.