The Hamiltons seem to be the picture-perfect American family. They are hardworking community members; giving to their local charities, attending town hall meetings and always respectful of their neighbors...except for the fact that they usually end up killing them.

Carl Hamilton has just returned to Sweden after many years of secret education in the US when Stockholm is shaken by a series of terrorist attacks. Hamilton is assigned to assist the Swedish intelligence service in their pursuit of the guilty, but at the same time works as a double agent.

Hamilton Morris heads to the heart of the Brazilian Amazon to investigate a traditional drug extracted from the screen secretions of a jungle frog.

Carl Hamilton manages to infiltrate an international gang that has stolen advanced Swedish GPS-guided missiles. But the league is subjected to a sudden deadly attack by a well drilled group of mercenaries of unknown clients. Hamilton escapes the massacre, but the rockets have disappeared without a trace.

Swedish intelligence officer Carl Hamilton's 7-year-old goddaughter Nathalie is kidnapped. When the kidnapping's underlying motive becomes known, the Swedish authorities assume a passive role, forcing Hamilton to action. With the help of international contacts, Hamilton manages to get them on track. Hamilton, along with some military colleagues, plans a daring rescue mission.