Plot Summary:Ninkyo Tokaido is another great story of Yamamoto Chogoro/Jirocho (Chiezo Kataoka), the biggest gambling boss on the Tokaido Highway. When the uncle of Seneimon (Hashizo Okawa) is slain by a jealous rival, Jirocho and his gang of Yakuza come seeking revenge. But some of the other Yakuza bosses, intent of taking over Jirocho's territory hide the wanted fugitives hoping that Jirocho will blunder in his quest and cross the boundries of law and order. Ninkyo eiga, or \"chivalry films\", were the first type of yakuza films. The U.S. title of this film is \"A Chivalrous Spirit\".