Episode 3 Cadi and Vaughan bring Piotr Korecki in for questioning. Will he talk? Details Casts Videos Galleries Posters Season Lists Title Episode 3 Genres Crime Drama Mystery Release Date 2021-10-24 Episode Runtime 00 Hours 57 Minutes Season Number 3 Episode Number 3 Production Companies Severn Screen Sian Reese-Williams... DI Cadi John... Sion Alun Davies... DC Owen Vaughan... Victoria Pugh... DSI Susan Lynn... Hidden: Trailer - BBC (Trailer) Original Size (2048x1152) Original Size (1920x1080) Original Size (1920x1080) Original Size (1600x900) Original Size (3840x2160) Original Size (1920x1080) Original Size (1712x964) Original Size (3840x2160) Original Size (3840x2160) Original Size (1920x1080) Original Size (720x1080) Original Size (720x1080) Original Size (800x1200) Original Size (2000x3000) Original Size (1200x1601) Original Size (680x1000) Original Size (680x1000) Original Size (2000x3000) Original Size (2000x3000) Original Size (2000x3000) Original Size (2000x3000) Original Size (2000x3000) Original Size (960x1439) Original Size (1280x1920) Original Size (1014x1520) Season 1 8 Episode(s) 2018-01-07 Season 2 6 Episode(s) 2019-11-17 Season 3 6 Episode(s) 2021-10-10