The recently widowed police officer Iris Broman travels from Stockholm to Ystad in southern Sweden, where she will reside in her sister's home while taking up the new position of leading the cold case unit in Malmö.
A body is found and there is an unsolved murder from over 10 years ago, and Broman also has to deal with her personal trauma and complex relationship with her sister, Kattis.
[1][2] The series was produced for commercial Swedish TV channel TV4 and streaming service C More, in partnership with Germany's public broadcaster ZDF.
[1] As of February 2024[update], financing was being arranged for a second season, by TV4, Germany's ZDF, and Film i Skåne,[1] which Ahlgren had already started writing.
[1] The series was aired from 25 February 2024 in Germany, and after Banijay obtained distribution rights, the series was bought by American broadcaster MHz Choice, Canal+'s Polar+ for France, NPO in the Netherlands, SBS in Australia, ERT in Greece, and Syn Hf in Iceland.