Toshiro Mifune swaggers and snarls to brilliant comic effect in Kurosawa's tightly paced, beautifully composed "Sanjuro." In this companion piece and sequel to "Yojimbo," jaded samurai Sanjuro helps an idealistic group of young warriors weed out their clan's evil influences, and in the process turns their image of a proper samurai on its ear.
Doctor Sanada treats gangster Matsunaga after he is wounded in a gunfight, and discovers that he is suffering from tuberculosis. Sanada tries to convince Matsunaga to stay for treatment, which would drastically change his lifestyle. They form an uneasy friendship until Matsunaga's old boss Okada returns from prison.
Astronauts Glenn and Fuji investigate Planet X and encounter mysterious aliens known as the Xiliens, who ask Earth's people to help save their world from "Monster Zero". In exchange for borrowing Godzilla and Rodan, the Xiliens offer a cure for cancer. As Glenn investigates, he develops a romance with Miss Namikawa and uncovers the Xilien's true intentions.
