Oinochi Chōdai(1981)

Oinochi Chōdai is a historical drama series set during Japan's Edo period. Naito Samon operates as a covert agent for Tokugawa Ieyoshi, the 12th Shogun, tasked with spearheading sweeping reforms across the realm. Disguised and accompanied by trusted allies, Samon infiltrates criminal networks and corrupt power structures to root out evil from within the shogunate's domain. The series balances political intrigue with action as Samon navigates dangerous assignments that test both his loyalty and his cunning. Each mission brings him closer to transforming the shogunate while risking exposure and death. Oinochi Chōdai blends samurai adventure with the tension of undercover operations, exploring themes of duty, sacrifice, and the price of reform in a rigidly hierarchical society.