UFOs appear on Earth, and people who actually see them suddenly find that their blood has turned blue. Soon panic and hysteria result in the new "blue-bloods" being persecuted by the rest of mankind, and eventually certain all-too-familiar measures begin to be taken against them.

911 receives a call from a young woman reporting the death of an acquaintance at a hotel, and Detectives Ushio and Ogami of Shinjuku West Police Station rush to the scene!! The caller is eventually identified as Megumi, a woman whom Detective Ushio's wife Sumie had met by chance, but Megumi too has been killed...

A car going at 25 mph plunges into the sea at Shinko Harbour, Toyama prefecture. Inside is the local business magnate Fukutaro Shirakawa, who perishes. Riding alongside him and surviving unhurt is his second wife, Kumako. It soon comes to light that Kumako’s husband was insured for 300 million yen and she is arrested on suspicion of murdering her husband for the insurance money. The newspapers denounce her as an evil woman, while the public is in no doubt about Kumako’s crime. Ritsuko Sahara is chosen as her defence attorney but the pair clash over almost everything...

Rikiya Shoda is an engineer working for the Atomic Agency in Japan. One day, his wife Nanako returns home with a lost teenager called Ayu. A man, pretending to be the father, comes to get her back; Ayu keeps telling him that Rikiya and Nanako are her parents. Through this disruption, Rikiya suddenly starts remembering his youth as a revolutionary.

One year after the Kidojis' eldest son Otohiko was arrested for his part in a terrorist kidnapping, which resulted in multiple deaths, all the other perpetrators' parents have either resigned from their professional positions or taken their own lives, Nobuyuki Kidoji remains adamant that he is not responsible for his son's actions.

The president of the Japanese National Railways is found dead during a period in which train service is plagued by numerous layoffs, strikes and shutdowns. The government says that the president was murdered; the police claim it was a suicide. A quizzical reporter follows the case for years, but the basic question remains unanswered: was the victim killed by members of the burgeoning Communist movement in Japan, or was the death stage-managed by the authorities in hopes of discrediting the Communists?