It starred Keanu Reeves, Hiroyuki Sanada, Tadanobu Asano, Rinko Kikuchi, and Ko Shibasaki That movie was based on Chūshingura, the real-life 18th Century tale of the 47 rōnin, a band of samurai who set out to avenge the death of their master after a merciless shogun killed him 2013's 47 Ronin banked over $38 million[...]