The film is set in Karafuto after the radio broadcast of the Imperial Rescript on the Termination of the War. On August 15, 1945, Soviet forces invaded Karafuto. On August 20, the postal telegraph office in Maoka suspended operations and nine of the twelve telephone operators committed suicide by taking potassium cyanide while the city was being invaded.

Ogami Itto, framed for treason and surviving a deadly attack, becomes a lone assassin with his son. They face ruthless ruffians, setting the stage for a showdown in his quest for justice.

The lord of the Oshi fief is killed by his trespassing neighbour, the cruel and despotic Nariatsu, son of the former Shogun. After an investigation, the Oshi clan is blamed for what happened and sentenced to be disbanded. Eleven of the best samurai of the clan refuse the sentence and are willing to give their life for justice.

A bad cop is engaged in a violent chase to catch a yakuza boss. In his absence his wife runs away with another man, who turns out to be the very same man that her husband is hunting. Once he discovers this, he loses his nerve and turns in his badge. But the chase turns into a personal vendetta where the ex-cop plans to wipe out the entire gang.

A ryokan maid is on trial for pushing a familiar guest off a cliff to his death. An eager attorney offers to take the case to gain notoriety.