Un conocido jefe de la Yakuza (la mafia japonesa) desaparece junto con un botín de 100 millones de yenes. Su mano derecha, el sanguinario y masoquista Kakihara, y el resto del clan, emprenden su búsqueda, ya que no creen que se haya fugado. Para encontrarlo utilizarán todos los métodos que consideren oportunos, ya sea torturando o matando. Así, Kakihara consigue averiguar que lo que pensaban que era una desaparición, es en realidad un asesinato, cometido por un hombre llamado Ichi, un esquizofrénico que cuando pierde el control puede hacer picadillo, literalmente, a cualquiera. Con esto, quiere resarcirse de los traumas de la infancia, aunque lo que consigue es lo contrario. Pero Ichi no esta sólo en esta lucha, le acompañan unos repudiados del clan, destacando a Jijii, que es la cabeza del grupo y quien incita al caos que se organiza.
Sawamura
When a young Yakuza torments the customers in a rival crime family's nightclub, it is not long before his dead body is found. Soon, inter-family retaliation follows, resulting in the death for a prominent crime boss. Devastated by this turn of events, the temperamental Kenzaki vows to avenge his boss's death and, as bloody violence ensues, the body count reaches excessive proportions.
A new yakuza war erupts in Hiroshima
Eriko – lonely, aimless and self-absorbed – falls for Tamura. Despite knowing that he is waiting for his girlfriend to return from overseas, she requests to enter into a relationship with him for just one year.
Suddenly, there is a huge explosion and the world is destroyed. The story unfolds without any context and ends with a bang. 7 minutes of parody, clever use of frame dropping, and pop laughter.
Motoshi Kanazaki
The story of a young girl's first love is told from the heroine's point of view. Surrounded by various people, she finally begins to awaken to her own feelings as a woman.