Japan, 1159. Moritō, a brave samurai, performs a heroic act by rescuing the lovely Kesa during a violent uprising. Moritō falls in love with her, but becomes distraught when he finds out that she is married.
Japan, 1701. A group of samurai become rônin after their lord is forced to commit seppuku for assaulting a court official, who will become the target of a merciless revenge.
Tanuma Kandayuu is a high class samurai of the house of Nabeshima. He finds a lavish board of Go (a Chinese Board game) at Kinbei's store. He recommend Kinbei to offer it to his lord. Kinbei hesitates at first, since he knows the board has a mysterious legend surrounding it; it's believed that for every game played on the board, one death is required.