A bunch of friends broadcast a free radio station from their home in 1980s rural France. After one of them is called away to Berlin for his military service, he desperately wants to keep broadcasting with his friends.

In the Mopti region of Mali, Lieutenant Anaïs Collet's section, deployed as part of Operation Barkhane, is dedicated to tracking down terrorists. However, an ambush rekindles tensions between the military and the Malian population.