Ronin is a 1998 American action thriller film directed by John Frankenheimer and written by John David Zeik and David Mamet, under the pseudonym Richard Weisz. It stars Robert De Niro, Jean Reno, Natascha McElhone, Stellan Skarsgård, Sean Bean, and Jonathan Pryce. The film is about a team of former special operatives hired to steal a mysterious, heavily guarded briefcase while navigating a maze of shifting loyalties. Ronin is noted for its realistic car chases in Nice and Paris, and its convoluted plot that uses the briefcase as a MacGuffin.


At a bistro in Montmartre, Irish operative Deirdre meets with two Americans, Sam and Larry, and a Frenchman, Vincent. She takes them to a warehouse where the Englishman Spence and the German Gregor are waiting. Conversations between the men show that they are all ex-government agents or ex-military-turned-mercenary. Deirdre briefs them on their mission: to attack a heavily armed convoy and steal a large, metallic briefcase. Their first task before the main mission is to acquire weapons; this turns into a setup. Although the team survives and get the weapons, Spence is exposed as a fraud by Sam. He is dismissed by Deirdre and the others continue the mission. As the team prepares, Deirdre meets with her handler, Seamus O'Rourke, who tells her that the Russian mafia is bidding for the case and that the team must intervene before they get it. During a stakeout, Sam and Deirdre develop an attraction to one other.