The show follows Sofia Karppi, a detective of the Finnish police who is recently widowed in her 30s with a young son and teenage stepdaughter living with her.

Sofia Karppi (Pihla Viitala) returns to her work as a homicide detective in the Helsinki Police Department while taking care of two children after the accidental death of her husband.

Women's clothes found at a construction site lead the detectives to the body of Anna Bergdahl (Pamela Tola), a social affairs consultant.

It was compared to the Danish crime series The Killing and was nominated at the 2018 Nordisk Film & TV Fond Prize in the Best Nordic Screenplay category.

[5][6] Noel Murray of The Verge described the series as "realistically grim, but also offers the simple satisfaction of watching smart professionals bring some order to a chaotic world, one case at a time.