During the reign of Hidetada, the second shogun of the Tokugawa dynasty, the advisor Okubo Hikozaemon (Ganjiro Nakamura) entrusts the young Takechiyo (Hiroshi Kawaguchi) to the fishmonger Isshin Tasuke (Kazuo Hasegawa) to help him understand the world. Tasuke, who does not know that Takechiyo is the shogun's heir, trains him harshly. Tasuke's wife Naka (Michiko Ai) is concerned about his harsh teaching style, but Takechiyo gains strength day by day and adapts to his new life. Soon, Takechiyo begins secretly talking about love with a city girl named Otoyo (Hitomi Nozoe), but...