A high school science teacher builds an atomic bomb and uses it to extort the nation, but cannot decide what he wants. Meanwhile, a determined cop is catching up to him, as is radiation poisoning.
A young, naive boy sets out alone on the road to find his wayward mother. Soon he finds an unlikely protector in a crotchety man and the two have a series of unexpected adventures along the way.
Third (Toshiyuki Nagashima) is an aimless young man who hangs around with a couple of girls who are amateur hookers. One day, while acting as their pimp, he gets into a conflict with a young gangster and winds up killing him.