Martin Beck, Gunvald Larsson and Alice Levander investigate the mysterious murder of an accountant that was found shot to death at the airport parking. At the same time a reporter receives a package from an anonymous source, with information regarding the embezzling of funds that should have been used for fixing up nuclear reactors. When the reporter contacts Beck, his home gets blown up by a bomb.
We get a unique insight into the everyday lives of some of the capital's security guards. Every day, they rush out to thefts, accidents and relief missions across the country. When the alarm goes off, they are the first to arrive.
Singel mother, Elin, experiences her worst nightmare when her son dies in a drowning accident. She tries to get her life back on track after the tragedy together with her daughter Storm (10), but there are rumours around school that somebody saw Storm push her brother in the river on purpose.
