Fist of the Vampire

In 1977, a family was brutally murdered, and the case remained unsolved for many years, shrouded in mystery. Fast forward to today, detective Lee Southward is tasked with infiltrating an illegal underground fighting ring to apprehend its leaders. As Lee fights his way to the top, he uncovers connections to the decades-old murder case. However, he faces a chilling revelation: the organizers are undead beings with a thirst for human blood. Lee must navigate through the underground’s world of sex, drugs, and violence, gathering evidence with the help of an undercover officer, and find a way to stop the bloodthirsty undead.