When his daughter goes missing from their prairie town east of France, Alain and his young son, Kid, head out to find her. The journey takes the men to some far-off and unsettling places in what begins to feel like an endless quest.

Screenwriter Peter Morgan and director Fernando Meirelles' 360 combines a modern and dynamic roundelay of stories into one, linking characters from different cities and countries in a vivid, suspenseful and deeply moving tale of love in the 21st century. Starting in Vienna, the film beautifully weaves through Paris, London, Bratislava, Rio, Denver and Phoenix into a single, mesmerizing narrative.

In France, terrorist groups and intelligence agencies battle in a merciless war everyday, in the name of radically opposed ideologies. Yet, terrorist and secret agents lead almost the same lives. Condemned to secrecy, these masters of manipulation follow the same methods. Alex and Al Barad are two of them. The former is the head of the D.G.S.E.'s (Direction Générale de la Sécurité Extérieure, the French equivalent of the CIA or the MI6) counter-terrorism unit while the latter reigns over a terrorist network, and both fight using the most ruthless of weapons: human beings. Secret Défense (aka Secrets Of State) tells of their secret war through the destinies of Diane, a student recruited by the French secret service, and Pierre, a troubled young man who thinks terrorism will bring him salvation. Trained and indoctrinated for missions which are beyond them, they are both drawn into a chain of events from which they seem incapable of escaping...