The man has a monotonous job punching tickets for the Japanese railway. One night, while walking home, he saves Jun from getting raped by two hoodlums. A few days later, he sneaks into her house but gets discovered. Later, as he watches his son subdue an insect with a chemical, the man gets an idea to subdue women while they're sleeping so he won't be discovered sneaking into their home. His new hobby spirals out of control as his confidence grows.
The first of many movies featuring the lighthearted adventures of two truck drivers. Momojiro and his best friend Kinzo take to the road on their cargo trucks impressing each other with their skills in driving fast and evading the police while transporting commodities throughout the country. Chance encounters with people along the way help them to come to terms with events clouding their past and offer them a shot at redemption.