Stefan Borba was a member of a spy ring during the war but after the end of the conflict he opted out. Now he is a miner in Belgium and lives happily there with his wife Denise. Unfortunately for him, his past catches up with him. One day indeed, Milan, a secret agent with whom he used to work, resurfaces and forces him back into action...

The owner of a high-tech heating mechanism is being forced by gangsters to help them in a plot to steal gold ingots. An ex-secret agent is called in to search for him and stop the criminals.