Lilyhammer tells about New York gangster Frank Tagliano, who passed boss mafia to feds. Now he's in the witness protection program. Frank had to move to provincial Norwegian town of Lillehammer. Under a new name Johnny he tries to make friends and lead a life of ordinary immigrants, but from the past is not so easy to escape. Tagliano decides to open a nightclub, but faces obstacles. He begins to solve them in his usual manner - with the help of blackmail and violence. Meanwhile, a flurry of activity drew the attention of the police.