Fortitude seems the perfect place, devoid of any crime, except that one evening the British researcher Charlie Stoddard (Christopher Eccleston) is found in his own house with a horribly mutilated body. It is the first murder in Fortitude, and Sheriff Dan Anderssen (Richard Dormer) will soon see that the tragedy could affect the town in more complex ways than he suspected. Stanley Tucci, as Eugene Morton, is a London police detective sent to assist with the investigation. near the city, the strange mutations of Fortitude animals are just some of the directions suggested by the pilot episode.