From ancient Japan's most enduring tale, the epic 3D fantasy-adventure 47 Ronin is born. Keanu Reeves leads the cast as Kai, an outcast who joins Oishi (Hiroyuki Sanada), the leader of the 47 Ronin. Together they seek vengeance upon the treacherous overlord who killed their master and banished their kind. To restore honor to their homeland, the warriors embark upon a quest that challenges them with a series of trials that would destroy ordinary warriors.