Robert Kastell returns to Sweden after having been presumed dead for thirty years. A personal tragedy has made him leave his exile, and sent him on a last journey of revenge - - the target being the successful arms trade broker Anders Spetz.Robert is soon discovered by Rolf Höglund, a conspiracy theorist and former journalist. Rolf tries to persuade Robert to focus on exposing the double standards and illegal deals behind the Swedish arms industry, rather than his personal vendetta.