Sanjuro
With Relative Ease
Nine young samurai, including his nephew, believe that the lord chamberlain, Mutsuta, is corrupt after he tore up their petition against organised crime and argued that maybe he himself was behind the crimes. One of them tells the superintendent of this and he agrees to intervene. As the nine meet secretly at a shrine and discuss their problem, a ronin (Mifune) emerges from another room where he has been resting. The ronin has overheard their plans, and suggests that the superintendent is in fact the real corrupt official. While at first the samurai are insulted by his claims, they soon find themselves surrounded by the superintendent's men, proving that he was correct. Initially, the samurai want to fight, but the odds are overwhelming, so the ronin hides the samurai, confronts and hits a few of the attackers and bluffs their leader into leaving. The grateful samurai ask what they can do for the ronin and he asks for only a small amount of money to buy food because he is starving; however, after realizing that Mutsuta and his family must now be in danger, he decides to help the samurai bring down the corrupt officials.
When the samurai go to Mutsuta's house, they find that he has been abducted and his wife (played by Takako Irie) and daughter (Reiko Dan) are imprisoned in the house. Following the ronin's suggestion, a servant from the house gets the guards drunk, allowing the samurai to free the women. The group hide in a house next door to the superintendent's compound, which contains a large number of (camellia) trees. Mutsuta's wife asks the ronin's name; looking out of the window at the 椿 tsubaki (camellia) trees, which he can see over the fence separating the two properties, he declares his name to be 椿三十郎 Tsubaki Sanjūrō, adopting (just as he had done in Yojimbo) something he sees close by as a pseudonymous surname.
The character's stated given name of 三十郎 Sanjuro is a proper given name (and therefore could very well be the rōnin's true name), but when it is spoken out loud it can also be interpreted as 三十老 Sanjuro (note the different last kanji 老), which means "thirty years old" (三十 sanju = thirty, 老 ro = years-old).</ref> The lady chastises Sanjuro for using his sword too frequently and insists that he refrain from unnecessary killing, noting that the best swordsmen keep their weapons in their sheaths.
The Superintendent's henchman, Muroto Hanbei (Tatsuya Nakadai), and several other corrupt officials address a plan to outsmart the chamberlain's followers. First they post an open notice that the chamberlain has been arrested and charged with being involved in organized crime. Afterwards, they try to lure out the samurai by sending out the officials' empty palanquins, assuming that the samurai will think the corrupt officials are in them and attack. This backfires on them, however, when a posse of people from the town, inflamed by the open notice, ride out to protect the palanquins, just as the samurai are preparing to attack. The samurai then retreat to their hideout.
Sanjuro decides to get closer to Hanbei's master by going undercover as his henchman. Mistrust causes several of the samurai to believe he is switching sides. The samurai agree that four of them will follow him: two who believe in him and two who do not. However, Sanjuro realizes he is being followed and the four are easily captured by Hanbei. When Hanbei leaves to request reinforcements, Sanjuro frees the four captured samurai, at the expense of having to kill all their guards. He demands that the four tie him up, and is found in that situation by Hanbei. Sanjuro tells Hanbei that they were attacked by a large number of samurai, so Hanbei declares Sanjuro cannot be hired after being defeated. To make amends, Sanjuro insincerely promises to find the attackers.
The next day, Mutsuta's wife and daughter find a piece of a petition in the small stream that flows from the superintendent's compound to their hideout. The samurai realise that this could only have come from Mutsuta, who must therefore be imprisoned in the compound. While at first they consider a full-on attack on the officials, they soon realize that the compound is full of the superintendent's forces, so that such an attack would be futile.
Sanjuro hatches a plan to get the army out of the compound, by telling Hanbei that he saw the rebellious samurai at a temple where he was sleeping. He says he will then send a signal for the samurai to attack by floating large numbers of camellias down the stream. The first part of the plan works, with the superintendent's forces rushing off to the temple; however, Hanbei becomes suspicious after catching Sanjuro trying to drop the camellias into the stream, and ties him up. Just as Hanbei is preparing to kill Sanjuro, the remaining corrupt officials realize that Sanjuro has tricked them - his description of the temple was incorrect. They convince Hanbei not to waste any further time over Sanjuro and instead to catch up with the superintendent's forces and have them return to the compound as soon as possible. In a comedic scene, Sanjuro tricks the officials into making the signal for the samurai to attack. It works and they manage to rescue Sanjuro and Mutsuta. Hanbei returns later to find he has been made a fool once again.
Mutsuta is restored to his position as chamberlain, and the superintendent commits hara-kiri, much to the chamberlain's chagrin as he wished to avoid such a public affair, instead wishing only to force the corrupt officials to retire. As Mutsuta, his family and the loyal samurai are celebrating they discover that Sanjuro has slipped away. The nine samurai race off and find him with Hanbei, about to duel.
Sanjuro is reluctant to fight and tries to dissuade Hanbei, saying that if they fight, one of them will surely die and nothing will be gained by that. However, Hanbei is obdurate, saying his dignity has been soiled and that killing Sanjuro is the only way to restore it.
Edibles
The two face off at each other and remain unmoving for almost half a minute. Finally, as Hanbei draws his sword, Sanjuro kills him by drawing and cutting in a single, faster action. A fountain of blood gushes from Hanbei and he falls dead. When the young samurai cheer his victory, Sanjuro becomes angry, saying that his dead adversary was exactly like him. He now has a fuller understanding of Lady Mutsuta's earlier admonition that the best swords are the ones that are kept in their scabbards. Sanjuro then stalks off in annoyance after warning the worshipful young men not to follow him.
