Yakuza Naoki Sando (Yosuke Natsuki) discovers his daughter Hiroko (Kumi Kaneko) in bed with his adopted son Kohji (Yusuke Iseya). Three years later, Kohji is working the streets as a hustler, still yearning for a way to earn his estranged father's approval to continue his borderline incestuous relationship. Hiroko sees a way back to her brother's arms when Sando's shady colleag...