The striking seventh novel in the Martin Beck mystery series by Maj Sj wall and Per Wahl , finds Beck facing one of the greatest challenges in his professional career.

The gruesome murder of a police captain in his hospital room reveals the unsavory history of a man who spent forty years practicing a horrible blend of strong-arm police work and shear brutality. Martin Beck and his colleagues feverishly comb Stockholm for the murderer, a demented and deadly rifleman, who has plans for even more chaos. As the tension builds and a feeling of imminent danger grips Beck, his investigation unearths evidence of police corruption. That's when an even stronger sense of responsibility and something like shame urge him into taking a series of drastic steps, which lead to a shocking disaster.