In the early Meiji era, Shujiro, once known as an undefeated samurai, decides to participate in a deadly survival game to save his family and villagers.

Set in an old prestigious ryotei (Japanese-style restaurant) in a small town in the center of Tokyo, a young itamae (cook for Japanese dishes) struggles his life, love and work while the long-lasted ryotei and the beloved old town face the change to survive the time. This heartwarming drama shows the intimate relationship of the community that has been lost nowadays, asks what the most important things in your life is, and tells how difficult it is to make a decision. The story is told in the form of a letter from him to his unknown father with lots of humor and love.

Yusuke Nogi of Ryosho's Energy Development Division said that 10 times the official down payment was mistakenly sent to GFL, a local infrastructure company involved in a solar energy plant to be built in the Balkan Republic in Central Asia. Suspected of involvement, he heads to the Balkan Republic to collect the difference of $90 million. With the cooperation of his CIA friend Sam, Nogi obtained information that the terrorist al-Zaer had laundered the full amount of the contract money into diamonds and brought it out.