Now reunited after an eight-year separation, Junya Sawa, a young bank executive, and Uzuki Kobayakawa, heir to a yakuza gang leader, have resumed their relationship in Tokyo. After betraying Uzuki's trust when they were teenagers, Junya swears never to make the same mistake again. Unknown to them both, however, shadowy forces are at work in the Koryu Alliance, the yakuza gang run by Uzuki's father. When Junya is kidnapped, will Uzuki be able to save him?