Sawatari Shusui saved Princess Hiroko of the Konoe family, who was about to be married to Tokugawa Tsunatoyo. However, Hiroko, a tomboy, disappears. As someone is after Hiroko's life, Shusui pursues her whereabouts... Meanwhile, Sasao Yoshinari and Shusui's sister, Kikuji, who were following Shusui, meet a young man and Kikuji is captivated by him, but they do not realize that he is Hiroko in disguise as a young man. Shusui is set to search for Hiroko with her attendant Orui, but that night they are attacked by a group of ninjas at their inn.

A marriage proposal from the Kishu family is presented to Kikuji, but her brother, Sawatari Shusui, declines it. Around the same time, the lord of the Kishu family dies under suspicious circumstances. Determined to resolve the turmoil within the Kishu domain, Shusui embarks on a journey. The proposed suitor for Kikuji is Shin'nosuke, a young samurai who recently saved Shusui from an attack but left without receiving thanks. Shin'nosuke, heir to the Kishu domain, has headed back to Kishu. However, Iwakura Guntayu, the Edo elder of the Kishu domain, is plotting to install his concubine's child as the new lord and seeks Shin'nosuke's life. Accompanied by Kikuji and his servant, Sasao Yoshinari, Shusui hastens to Kishu to confront the brewing crisis.

Komori Chiaki is a budding tennis student. However, one day while training, her coach hits a ball into her eye on accident. At the hospital, the news that she will never regain the sight in her eye leaves her heartbroken. As a last resort, she undergoes a costly surgery from the mysterious doctor known as Black Jack, where after a successful operation, a mysterious figure starts to emerge in her vision, and only she can see it.

The fifth movie of the “Truck Yaro” series, which is comical road movies of two long-distance truckers. This time Momojiro falls in love with beautiful Minako in Sado, Niigata.