Although surrounded by the savage beauty of the Arctic landscape, Fortitude is one of the safest towns on earth. There has never been a violent crime here. Until now. In such a close-knit community a murder touches everyone and the unsettling horror of this crime threatens the future of the town itself.
The local Chief of Police, Sheriff Dan Anderssen (Richard Dormer), has to investigate alongside Morton Cadzow (Stanley Tucci), a detective who has flown into Fortitude so fast that questions are being asked about how much he knew, and when. The murder is a catastrophe for Hildur Odegard (Sofie Graboel), the town’s Governor. It threatens her ambitious plans to transform Fortitude from a mining town into a site for high-end tourism. And for Henry Tyson (Michael Gambon) a wildlife photographer who only has weeks left to live, the murder is the catalyst to unearthing Fortitude’s darkest secret.