Marceau Léonetti, a competent and energetic officer stops by chance the son of an influential lawyer driving under the influence of alcohol. A few months later, the lawyer falsely accuses Léonetti as being violent and incompetent. As a result Marceau is transferred to a small police station, where he meets young and beautiful Jeanne. Soon they are faced with a tough investigation.

The thriller Boxed addresses the little-known fact that the Irish Republican Army would bring in sympathetic priests to administer last rites to those they were about to execute. The film analyzes the fallout that occurs when one of these priests ha a change of heart, deciding to fight for the life of the captive. ~ Perry Seibert, Rovi