Well, the 'French Connection' based on a true story is mainly about the fight against international drug trafficking. The real - life events involved complex networks of criminals smuggling drugs from France. The story shows how the police had to deal with various challenges like international cooperation issues, as well as the dangerous and elusive nature of the smugglers. They had to gather evidence, follow leads across different locations, and ultimately try to break up this large - scale drug - smuggling ring.