A lethal assassin for a secret Chinese organisation, who sheds tears of regret each time he kills, is seen swiftly and mercilessly executing three Yakuza gangsters by a beautiful artist. She is captivated by the grace of his kill and later falls in love with him. An intense power struggle for the leadership of the Yakuza Clans ensues as they seek vengeance for the death of their leader.
When elementary school teacher Kobayashi investigates the absence of one of his young pupils from the classroom, he finds himself at the doorstep of an anonymous suburban house that harbours a horrible secret, and into which all who enter are doomed.
The inhabitants of a small Japanese town become increasingly obsessed with and tormented by spirals.
