Sean及Bilie为侦查一名警员之死，混入一夜总会当卧底，揭发一连串的谋杀及贪污。身为空手道高手的Bilie不惜孤身犯险，赤手空拳单挑黑帮……

　　An undercover cop teams up with a martial-arts expert to stop a gang of drug smugglers and car thi