Episode 1
Shortly after Palme's assassination, Engström begins his quest for attention as a crime-scene witness. Divisions among police hinder the investigation.
Episode 2
Realizing Engström's story doesn't add up, Irvell starts turning up the heat. Decades after the murder, a journalist starts reinvestigating the case.
Episode 3
Irvell's steady methods turn up more evidence to implicate Engström, but Holmér's stubborn tunnel vision leads investigators into a dead end.
Episode 4
Police railroad another suspect. Desperate for more attention, Engström continues to speak out. Thomas tries to connect Engström to the gun.
Episode 5
His mental health deteriorating, Engström's life falls to pieces. Years later, a prosecutor revisits the case and makes a momentous announcement.