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,…