Crime boss Adrian uses a motorcycle gang called the Hellcats to carry out drug runs for him, although it appears as if it is a tenuous alliance at best because the gang and Adrian's henchmen do not get along in the slightest. In the meantime, a detective named Chapman is involved in an investigation against Adrian's drug ring and hopes to gain evidence against him through the biker gang. Adrian has one of his henchmen shoot Chapman and kill him.
Mike Sturges et son frère cadet, Roy, sont condamnés au pénitencier de Yuma sur une accusation de vol de train inventée de toutes pièces. Les deux traitements cruels endurer avant que Mike échappe pour extraire venger de leurs ennemis.
Gary and Bobby are two stock car drivers who grew up together and both love the same girl, Shelley. Fake newspaper articles by Georgina Clark start appearing highlighting a feud between them. At first Bobby and Gary ignore the reports but eventually the rivalry becomes genuine.
Cat and Hutch arrive in El Paso where they unsuccessfully try to get bounty for Bill San Antonio from his last earthly remains – the boots. Instead they go to the bank manager Harold – which Bill in the first film disclosed as his partner in setting up the robberies – and an-nounce themselves as Bill to see if they are received. They are, and convince him (not without some physical force) to make them a cashier’s check to be paid out in gold.
A former motorcycle gang leader, Mike (Tom Stern), returns home from Vietnam to resume his life and form a new motorcycle gang. Using all his gathered experience as a hero from the war he tries to unite all the existing motorcycle gangs in the neighborhood and put together a brand new, super outlaw gang. They beat a road police officer who wants to give them a parking ticket. Although the sheriff tries to calm everybody down, things are not going down well. Very soon Mike faces big trouble when Speed, one of his gang members, is stopped on fake possession charges and murdered on retaliation. The trouble intensifies when an all-out cop against biker war breaks out.
Shortly after independence India faces terrorists attacks in Assam, resulting in many deaths and casualties. A group of concerned citizens, who are not connected with the government, decide to do something to stop this carnage. While Salim is already at work in Beirut, his cover is blown and he is shot dead. Now Sunil Mehra must travel to Beirut and take over. Once there, he meets a former flame, Meenakshi Mehta, and a female admirer by the name of Zenab.
A young American man arrives in Palermo by plane. A taxi driver at the airport immediately gets word to Frank Ginetta (Kirk Douglas), who hides, armed with a gun, until he realizes that the visitor he's been warned about is actually his kid brother, Vinnie (Alex Cord).
At the border with Mexico, a brave young woman defends herself from the attack of the fearsome bandit, "Red", mastering a gun and the game of poker. Falling in love with a young Frenchman, he asks her to give up gambling and start a quiet and normal life, but when the young man is killed by "Red", she is determined to seek revenge.
Newly-married Rebecca leaves her husband's Alsatian bed on her prized motorbike – her symbol of freedom and escape –to visit Daniel, her lover in Heidelberg. En route, she indulges in psychedelic and erotic reveries as she relives her changing relationship with the two men, before crashing into a truck at the end.
Henry Pollicut, a corrupt Utahn banker, has Gordon, a man with evidence against him, and his wife murdered by two bounty killers. Fearing that Gordon's son will give them away, one of the killers slices his throat, rendering him permanently mute. Years later, the son, armed with a Mauser C96, extracts his revenge by assassinating the bounty killer and shooting Pollicut’s right-hand thumb.
At Fort Bragg, cynical newspaper reporter George Beckworth (David Janssen) is at a Special Forces briefing about the American military involvement in the war in Vietnam. The briefing at Gabriel Demonstration Area (named for SGT Jimmy Gabriel, the first "Green Beret" soldier killed in Vietnam), includes a demonstration and explanation of the whys and wherefores of participating in the Vietnam War.