47 Ronin is a 2013 American historical fantasy action film directed by Carl Rinsch in his sole theatrical directorial effort. Written by Chris Morgan and Hossein Amini from a story conceived by Morgan and Walter Hamada, the film is a work of Chūshingura, a fictionalized account of the forty-seven rōnin, a real-life group of masterless samurai in 18th-century Japan who avenged the death of their daimyō Asano Naganori by battling his rival Kira Yoshinaka. From Wikipedia