Witnessing a drug deal involving local gang members and cops, an Australian police officer feels he can no longer be just an observer. He joins forces with a local teacher who just happens to be a karate expert and together they try to take back the streets.

While Popeye Doyle is investigating what appears to be a very simple drug overdose, he becomes involved in international intrigue. The Mosad and various other foreign diplomatic figures turn up everywhere he goes. The drug overdose becomes a very involved murder case.