Two brothers seek revenge on the yakuza responsible for the death of their father.

The fourth film of the “Truck Yaro” series. A comical road movie of two long-distance truckers, “Momojiro” and “Kinzo,” who travel around Japan in highly decorated trucks. Momojiro goes to Shikoku this time, and he falls in love with a beautiful designer named Wakako, who is on a pilgrimage.