In order to capture a sex killer, two beautiful policewomen, Grace and Ellen work undercover as club hostesses.

In the club Grace accidentally overhears the manager speaking to the club owner who is the head of an arms smuggling syndicate. He asks the manager to hire an assassin to murder three of his associates. The hired assassin turns out to be a Japanese woman Tanaka.

Grace and Ellen decided not to report this boss inspector Wong as he thinks the two girls are scatter-brained and incompetent. So the girls in order to prove themselves to him decide to go it alone.

Things become more complicated when Ellen loses her gun during an encounter with Tanaka. Grace blurts this out to Inspector Wong and he suspends Ellen.

In a fit of guilt and remorse, Grace goes to try and recover the gun alone and gets killed.

Ellen becomes crazy with grief and anger & goes on a personal odyssey to wipe out the entire munitions syndicate.

During the final denouement Tanaka turns out to be an undercover police agent form Interpol in Tokyo. The action builds to an explosive finale in this exciting fast moving story.