Two newlyweds decide to build their dream home, and hire an old friend named Yanagisawa to design it. Unfortunately, Yanagisawa isn’t licensed to build homes, so they call in the wife’s father, a retired carpenter, to help out. When Yanagisawa’s contemporary ideas clash with the old carpenter’s traditional Japanese methods, the project becomes a huge mess.

A young boy named Jiro finds his mother and sister murdered in his home. Falsely accused of the crime, he flees from his village and meets a priest named Tenkai, who has him kill a rogue ninja named Tarouza. After fulfilling that task, Jiro undergoes training to become a master assassin. Many years later, Jiro finds out that he was an orphan and his real father was Tarouza, who had worked for Tenkai until he aborted his mission when he fell in love with an Ainu woman. The young ninja discovers that the Shogunate was to retrieve the lost treasure of Captain Kidd and use it to once again isolate Japan from the rest of the world. Using the clues that Tarouza had kept secret, Jiro - along with the female ninja Oyuki and a slave named Sam - travels to Russia and America to search for the treasure in hopes of using it to extract revenge from Tenkai.

The Maccherone organization is out to get a priceless national treasure. But when they see third-generation cat-burglar Lupin as an obstacle, countless assassins are sent to kill him on sight and kidnap his girl Fujiko! Can Lupin get the loot before the Maccherone gang, rescue Fujiko, and stay alive at the same time?

In the second film of the Lone Wolf and Cub series, Ogami Itto battles a group of female ninja in the employ of the Yagyu clan and must assassinate a traitor who plans to sell his clan's secrets to the Shogunate.