The finale centers on the resolution of the murder of , whose body was discovered in a chimney flue at the start of the season. 'Unforgotten' Season 5 Episode 6 Recap: sinnerman - WGBH
Season 5, Episode 6, titled "Sinnerman," is the dramatic finale of the fifth series. It originally aired on April 3, 2023, in the UK and October 8, 2023, on PBS in the US. Plot Summary Unforgotten.S05E06.720p.mkv