During clashes between demonstrators and police that rage on the streets of Tokyo, a young man hides in the house of his brother - a police officer. The latter is accidentally shot by his wife, which forces the young man to flee with her.

A critique of the Japanese family, seen here as militaristic, absurdly incestuous and patriarchal with the father dominating his family sexually and violently. Nihilistic destruction by the young ones seems to be the only way out.