Miami 1980, a doctor transplants a metal object into a patients arm. He tells him to go home and relax, but soon the patient kills the doctor. One year later, Prof. Arlington is kidnapped by thugs and taken to a secret location. Awesome action ensues.
The titular "Mad Dog", actually goes under the very anonymous name "Nick Nolte", and is played by Romano Kristoff, whom you may or may not remember from such classics as "Warbus", "Double Edge", or "Tough Cops". He is a cop who doesn't take it easy when the mob executes his stripper-sister, and he goes after them to get revenge at all costs. Another Phillipino superstar, Jim Gaines, has a small cameo in "Mad Dog II" as a snitch who gets offed in the bathroom.
Deep within the steaming tropical jungles of Vietnam is a Viet Cong terrorist training camp, run by an ex-Green Beret, William Marshall. A roving photographer stumbles upon the hidden camp and starts to take pictures. He is caught and summarily executed but the photos make it back to Washington. The CIA decide to send in an elite team of jungle warfare commandos, the Phantom Raiders, to establish whether Marshall is a POW or has gone bad. But another element has been added to this dangerous game. One of the Phantom Raiders is Marshall's son. Now he must come face to face with the enigma that was his father. The Phantom Raiders is a non-stop film of explosive action, with enough mayhem to leave you breathless.
Jack Kaplan is a US Army Soldier and Weapons Expert liberated by a "rescue team", he returns home to the United States only to find out that his wife Diane has been captured by infatuated gangster Duffy Collins. Kaplan embarks on a mission to find his wife, running into characters like Digger, Man With The Golden Hand, and the treacherous femme fatale Eve. He is a man on a mission.
It started with the rape of his daughter then the killing of her boyfriend. He takes the law "Death Wish" style into his own hands and has his revenge. Branded as a vicious killer by the underworld, the syndicate blackmails him into becoming their hitman. As he gets more and more tied up in the world of drugs, prostitution and death he decides he wants out. No one gets out of the syndicate alive. It then becomes a battle for survival, him against them in a desperate act of street warfare. His life is he prize.