[1] Tre Vänner Produktion was the lead producer and the author was part of the project when presented at the Cannes Film Festival.
In the first novel, The Ice Princess, Erica is unmarried and returns to Fjällbacka to clean out their home, and ends up staying.
In the TV series, she is already a famous author, married to Patrik, has three children, and lives in Fjällbacka.
A common theme in all the shows is how contemporary murders drive Erica to dig up long-buried secrets in the "idyllic" seaside town.
The filming stopped for some time when the director Daniel Lind Lagerlöf disappeared on 6 October 2011 while scouting locations for "The Coast Rider".