A team of undercover narcotics agents is conducting an investigation when things mysteriously begin to go haywire. One by one, the squad is eliminated by an assassin. To help discover the identity of the karate killer, the police enlist the aid of karate champion Matt Logan. 　　译文(2): 一队卧底缉毒特工正在进行调查事情开始神秘失控。一个接一个，小队被刺客消灭。为了帮助发现空手道杀手的身份，警方寻求空手道冠军马特 · 洛根的帮助。