Master Yu is invited to Los Angeles to take on numerous fighters in a Kung Fu contest. He beats all comers and this angers a local mob boss who lost a great deal of money on illegal betting…

Three female cops form a special unit and get their main witness out of the clutches of a gang. The witness holds the key to Chu Chung Sing, a gang-lord who runs a night-club. They will have to face a ruthless but sentimental killer.