Modus is a Swedish television psychological thriller series, directed by Lisa Siwe and Mani Maserrat,^[1] based upon the novel Frukta inte by Norwegian author and lawyer Anne Holt and adapted for television by Emmy Award winning writers Mai Brostrøm and Peter Thorsboe.^[2] The series follows the work of Inger Johanne Vik (Melinda Kinnaman), a Swedish criminal psychologist and profiler, who has previously assisted both the Swedish police and the FBI in the United States.^[3]

The first eight-part series was premièred on TV4 in September 2015.^[4] A second eight-part series, written in Swedish and English, was filmed in 2017, with Kim Cattrall and Greg Wise among the new cast members for this series. This series began broadcasting on TV4 on 2 November 2017.

In the first series, Inger Johanne's eldest daughter, Stina, who is autistic, unwittingly witnesses a contract killing when the family attend a wedding at a local hotel. The murderer surprisingly saves Stina's life, without giving away his identity. Inger decides to return to work with police detective Ingvar Nyman to assist in solving the crime. They discover that they are pursuing a hit man, working for an American religious sect.^[5]

In the second series, President of the United States Helen Tyler goes missing during a state visit to Sweden. Inger Johanne is partnered with Nyman and detailed to work with Warren Schifford, an FBI agent and Special Advisor to the president, to investigate.^[6] Vik and Schifford have history, dating from her time with the FBI.^[7]

• Melinda Kinnaman as Inger Johanne Vik; criminal psychologist and profiler
• Henrik Norlén as Ingvar Nymann; police inspector
• Esmeralda Struwe as Stina Vik; Inger's elder daughter
• Simon J. Berger as Isak Aronson; Inger's ex-husband and the father of her two daughters
• Annika Hallin as Hedvig Nyström; police pathologist
• Gerhard Hoberstorfer as Bo Sundberg; police detective
• Björn Andersson as Alfred Nyman; Ingvar's father
• Lily Wahlsteen as Linnea Vik; Inger's younger daughter