Jack Birch

Tony Baker (Jimmy Williams), a Vietnam vet who is now an L.A. detective, is on the trail of the 'Mekong Dragon', assisted by his partner Brian O'Malley (Sandy Palm) and police Captain Washington (Robert Z'Dar).

Two couples on a picnic are attacked by a gang of vicious bikers, who beat up the men and rape the women. One of the men finds out who the bikers are, arms himself and goes after them.