Theis Birk Larsen is a major character in the first season. He is played by starring cast member Bjarne Henriksen. He is a family man and the owner of a removal firm. He lives in Copenhagen with his wife Pernille Birk Larsen and their children. They have a daughter Nanna Birk Larsen and two sons Anton Birk Larsen and Emil Birk Larsen. The family is devastated when Nanna is murdered.