What is the main conflict in For Your Eyes Only by Ian Fleming?

James Bond, agent 007 with Her Majesty's Secret Service, completes a series of adventures in this novel. First, Bond detects and defeats a spy ring operating out of an underground lair in France. Moving on to Canada, Bond tracks down a Cuban murderer and wreaks revenge. Then, in the Bahamas, after swiftly stopping some Cuban rebels, Bond stays to learn the story of a former stewardess, now the wife of a millionaire. Next, Bond stops a heroin ring in Italy, and finally, Bond winds up in the Seychelles islands off Africa, where he covers up the murder of an unpleasant, abusive man.