A woman is found murdered in a closed amusement park. A young couple who happen to be there at the same time become, without their knowledge, suspects for the murder. They are chased by a large number of police but only Martin Beck believes them to be innocent.

Lone Wolves & Dragon Tattoos traces the evolution of Nordic crime fiction, from its humble beginnings with the Martin Beck novels of the 1960s straight through to the worldwide phenomenon of The Girl With the Dragon Tattoo, featuring interviews with some of the actors, writers and producers who bring these mysteries to life on-screen.

A routine mission ends up in a flaming inferno when a house suddenly explodes. It looks like a spectacular suicide attempt but the technical investigation reveals unexpected evidence. Beck and his men are soon on the tracks of a narcotic syndicate...

A young American girl is found dead in Gota Kanal, Swedens largest channel. Since there are hardly any clues or evidence at all it seems as if the murder cant be solved. Martin Beck and his men are assigned to the case. Soon they find a likely suspect and together with a police woman they begin a cat and mouse game to catch him. Plot by Mattias Pettersson.

A famous industrialist is murdered at a restaurant in Malmoe. Police inspector Martin Beck in Stockholm gets the case. The suspects lead to people involved in illegal arms deals. But who was the biggest criminal, the murderer or the industrialist?

A serial-killer attacks and murders young girls in the parks of Stockholm. The police have trouble finding any evidence to find the killer. But when a newsstand is robbed in one of the parks while the murderer strikes again, police inspector Martin Beck believes that the robber may be an important witness. Plot by Mattias Thuresson.

A gardener decides to exact revenge on the men he believes to be responsible for the death of his mentally disturbed wife.

A documentary by Ronny Svensson and Markus Stromqvist on the making of Bo Widerberg's 1976 movie Man on the Roof, featuring extensive interviews with cast and crew