Stand-up comedy star, actor and hill walker Ed Byrne is escorted into Stephen Mangan's booth of shame where they discuss faulty memory, cleverness and revenge fantasies.
Stephen Mangan interviews self-styled "spit and sawdust stand-up" Shaparak Khorsandi, whose career also embraces success as a satirist, novelist and screen-writer. She reveals a secret act of vandalism in her primary school loos, a story of hand cuffs and impulsive behaviour and a tendency for taking comic retribution.
Stephen Mangan presides in the virtual confession box, as he quizzes former Blue Peter presenter Konnie Huq about her secret shames. Can she really have anything to be ashamed of?