Two young girls are killed on railway by a passing train. It does not seem to fit the profile of a normal suicide. So if this is a double homicide who would do this and why? Martin Beck and his team start following the step backwards in order to figure out what has happened. With good and intensive police work they find man side trails from the main path.
An abused woman is feverishly sought by police in the murder of her ex-husband but is being hidden by abused woman-advocates. At the same time, Gunvald Larsson discovers a police report that his long-estranged sister has been abused. He confronts her with his knowledge but she denies it.
The murder of a prominent attorney is connected to one of his recent cases, in which a company was being sued for serious environmental damage. Martin Beck and Lena Klingström find evidence which brings new light to the investigation - but who's pulling the strings?
