Three lazybones friends manufacture a firebomb and place it in a cinema. Pearl, a sadistic young girl, has observed the scene, follows the bombers and starts to manipulate them. The four criminals plan more and more daring acts.

A team of scientists working to raise a sunken Russian nuclear submarine on an ocean platform off the coast of Miami, Florida, unearth an ancient Atlantean relic from the sea floor and bring in an expert to make some sense of it. But while attempting to raise the sub, radioactive leakage from its missles triggers the re-emergence of Atlantis, and the resulting tidal wave destroys the platform and leaves only a small group of survivors. Rescued by two Vietnamvets-turned-heavies who are out relaxing after their latest job, their boat eventually runs aground on a Carribean island nearby where, upon going ashore, it is discovered that everything has been destroyed and everybody killed. The culprits, a vicious group of well-armed raiders, and their leader, Crystal Skull, are descendants of Atlantis' original race who set about reclaiming the world and adding the survivors to the list of victims as they struggle to stay alive and defeat the raiders and send Atlantis back to the ocean floor.

Wisely, the famous writer/adventurer, traverses to Taiwan, Egypt and Nepal on the hunt for a magical pearl that may expand human consciousness, said to be left in a Buddhist monastery by a dragon.

A mercenary is sent to rescue a millionaire's son captured by Filipino pirates.

Joy flies to Hong Kong, where she meets her best friend Alain. With him, she visits the hottest districts of the city. She is kidnapped and imprisoned in a brothel and has to pay a high price for her freedom.

Government agent Jack Sargeant teams up with an international crime-fighting organization to rescue a kidnapped princess.

"Evil ninja leader Victor steals the coveted black ninja warrior from Charles but gets wounded in the process. Taking refuge at his friend Roger's house, his authority is challenged by a young man named Jimmy who has come to avenge his father's murder. Victor sends his henchmen after Jimmy, however Charles comes to his aid. Together, the two team up in order to retrieve the black ninja warrior and achieve the ultimate revenge." - VHS Back of the box description. A Hong Kong cut and paste edit of the 1983 Thai Film "เหยี่ยวดง" (Forest Hawk) with new ninja scenes.

A couple camping in the woods is attacked by a trio of thugs and the wife is beaten and raped. A few months after the assault, she is hunting down the three (who happen to be diamond smugglers) by posing as a dealer looking to sell some stolen merchandise. Meanwhile, her Interpol agent husband is doing some tracking of his own in the hopes of bringing them to justice. As they make their plans, a group of ninjas is watching from afar, waiting to make their move. A Hong Kong cut and paste edit of the 1985 Korean Film "밤을 벗기는 독장미" (Poisonous Rose Stripping The Night) with new ninja scenes.

Karen, a beautiful air hostess, is implied by her fiance in international drug trafficking: drugged herself, she lets persuade to convey ten kilos of heroin from North Africa to Spain. Having narrowly escaped the police, she catches her boyfriend with another woman. Desperate and angry, she takes the drug to the sea and finds refuge with Patrick, a Spanish-American living in a castle. However, traffickers will make every effort to find her...

In the borderlands of a wartorn country, a highly lucrative emerald mine becomes the object of unending dispute. Two Ninjas, Byron and Michael were the best of friends while they fought side by side in the Green Berets. However, in the years that have separated them, they have both become the leaders of rival gangs. Now the two face each other in a final battle of brilliant Ninja combat for control of the mine.

Mark, a local cop is investigating a string of jewel robberies. He soon discovers that the men behind the crimes is the notorious"Red Devil" and his band of Ninjas. Mark teams up with Billy, a man out for revenge. Hong Kong cut and paste edit of the 1979 Filipino Film "Twin Fists For The Blackmasters" with new ninja scenes.

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.

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.

Nick Vandom met his local friend Mai as a soldier during the Vietnam War. When the US troops flee the withdrawal, Nick manages to make his way to the airport with Mai, where the two become their own. Nick returns to the US and leaves May to an uncertain fate. In the years ahead, Nick had a bad conscience. When he responded to a letter from Mai with a cry for help six years later, he immediately set off for Thailand. When Nick found out there that Mai was hiding in the girl's descriptive, forcible ...