The prehistory of the popular romantic comedy for yakuza Fourth Generation Head: Tatsuyuki Oyamato! A yakuza boss finds himself trapped in the relentless attention of a sometimes impulsive but always cunning designer. If being yakuza doesn’t kill him, his new girlfriend might! Having lost the place he called home, Uichi seeks help from his rival for his beloved Akitori, Matsumi. However, instead of being helped, Uichi is captured and tortured by the evil man. To make matters worse, the second boss suddenly commits suicide, and his last words ignite a dark fire in Matsumi's heart!