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.

When a married man begins an affair with a woman from his past, he comes to suspect her young son intends to murder him.

Nakata (Keiichiro Akagi) is a nihilistic young buck who is willing to do anything to get money in his pockets. As he knocks back a couple drinks that he knows he won't be able to afford, a former marksman-turned-bad, Ishioka approaches him. Ishioka is looking for an unaffiliated hit-man who is willing to handle some business. Nakata is just the right man for the job.