The Isshin Tasuke films starring Kinnosuke Nakamura are a series of period dramas set in the Edo period of Japan. Nakamura portrays the titular character, Isshin Tasuke, a legendary figure known for his bravery, sense of justice, and deep connection to the common people. Tasuke is often depicted as a fishmonger with a strong moral compass who helps the downtrodden while getting involved in various conflicts and adventures. The films blend action, drama, and historical intrigue, highlighting themes of loyalty, justice, and friendship, with Nakamura delivering a charismatic performance in the lead role.
The story opens in October of 1624 when the newly appointed Shogun Iemitsu visits the famed Kan-ei temple. On his way the procession is disrupted when a small child runs into the street, a crime punishable by execution. One man steps forward to save her life by putting his on the line. Brave and compassionate Isshin Tasuke has come into the limelight as a hero of legendary proportions. His uncanny resemblance to Shogun Iemitsu will lead to many adventures that formed on of the great series in Japanese cinema. With his intelligence and personality, Tasuke seeks to intervene in the struggle between opposing factions in the Shogun's Ruling Council.
Tasuke stumbles across Kokichi, a distraught man whom having lost his fiancee to Lord Kawakatsu is ready to commit suicide. Tasuke learns that Kokichi's fiancee, Otoyo, was a chambermaid whom Kawakatsu abducted in order to make her his concubine and Tasuke feels compelled to right this wrong. Meanwhile Kawakatsu is dealing in black-market lumber and receiving kick-backs but unbeknownst to him he is under investigation by Lord Izu, one of the Shogun Elders. Will Tasuke be able to rescue Otoyo from the clutches of Lord Kawakatsu and can Lord Izu put an end to his money hungry evildoings.
In the third entry into this mega-hit series, Isshin Tasuke, a spirited fishmonger in Edo who looks just like Shogun Iemitsu undergoes a series of unforeseen troubles in his newly wedded life.
Fishmonger Tasuke and Shogun Iemitsu swap their identities in pretence for the protection of Iemitsu.
The supply of sea bream to the fish market has decreased, and the price has increased to a whopping 1 ryo, and unable to face his customers openly anymore, Tasuke closes the shop and goes on a trip to celebrate the first wedding anniversary with his wife Onaka. Staying at the inn, Tasuke sees that dishes from magnificent sea bream are served here, which is very cheap. Tasuke goes to a fishing village and finds out here that a rich merchant is stopping the shipment of fish...
