Vengeance is a 2009 action thriller film co-produced and directed by Johnnie To, and written by Wai Ka-Fai. It stars Johnny Hallyday, Anthony Wong, Gordon Lam, Lam Suet, Simon Yam, Michelle Ye and Sylvie Testud. The film tells the story of Francis Costello, a French chef and former assassin whose daughter, son-in-law and grandchildren are attacked by a gang of Triads. Costello travels to Macau to embark on a quest for revenge, enlisting the aid of three hitmen. The film explores the themes of assassination, violence and the influence of Triads in modern society. Produced by Milkyway Image, the film was released by ARP Sélection in France, and Media Asia Films in Hong Kong.