47 Ronin is a 2013 Japanese-American fantasy action film depicting a fictional account of the forty-seven Ronin, a real-life group of Ronin (masterless samurai) in 18th-century Japan who avenged the death of their lord (stories, plays and other dramatic performances of the 47 Ronin story are commonly referred to as Chūshingura in Japan). Produced by Universal Studios, the film was directed by Carl Rinsch and stars Keanu Reeves and Hiroyuki Sanada. Filming started in Budapest in March 2011; it moved to Shepperton Studios in London and was concluded in Japan.