A group of international assassins attempts to kidnap a Secret Service Agent. The agent's Thai girlfriend and her two brothers, all martial artists, set out to protect him. The assassins chase them from large city to large city in the USA, to Bangkok, Thailand, and a ski hill in Japan. From hotel to hotel, and the bayous of Louisiana. For some reason, they are always able to find the agent's location. The girlfriend discovers the reason the assassins keep finding the agent. The tables turn on the assassins. The agent and Thai family members face off with the head assassin.