Arne Dahl: In midsommarnattsdröm () is a Swedish miniseries broadcast from 15 February 2015 to 22 February 2015 and directed by Trygve Allister Diesen. It is the fourth miniseries and sixth part of Arne Dahl's franchise.The miniseries is an adaptation to the screen of the novel "Arne Dahl: In midsommarnattsdröm" by the Swedish author Jan Arnald, who sometimes signs under the pseudonym "Arne Dahl" published in 2003.The miniseries is preceded by Arne Dahl: Europe blues and succeeded by the miniseries Arne Dahl: Dödsmässa.