A classic whodunit mystery, as the characters go about their lives in 1920s Italy, when Benito Mussolini’s brand of fascism was on the rise.

Professor Jasper Tempest, a genius Cambridge University criminologist with OCD and an overbearing mother, advises the police. British version of the Belgian crime drama of the same name.

Detective Hannah Laing becomes deeply conflicted when she discovers her son is playing a crucial role as an undercover informant in a brutal murder investigation.