Dimwitted but sweet high school girl of easy virtue and the most popular boy in the school share an improbable romance.

Los Angeles, California. Officer Murphy, a veteran Metropolitan Police helicopter pilot suffering from severe trauma due to his harsh experiences during the Vietnam War, and Lymangood, his resourceful new partner, are tasked with testing an advanced and heavily armed experimental chopper known as Blue Thunder.

A group of Vietnam War veterans re-unite to rescue one of their own left behind and taken prisoner by the Vietnamese.

At the opening party of a colossal—but poorly constructed—skyscraper, a massive fire breaks out, threatening to destroy the tower and everyone in it.

To the Los Angeles elite, Ford Fairlane is known as "Mr. Rock 'n' Roll Detective." This loudmouthed ladies' man serves an exclusive rock star clientele, who depend on his keen eye and smug discretion. So when a heavy-metal musician dies mid-concert, Fairlane is on the case before the lights come up. But things turn shocking when radio personality Johnny Crunch hires Fairlane to find a missing groupie mere hours before he is electrocuted live on air.

Various interconnected people struggle to survive when an earthquake of unimaginable magnitude hits Los Angeles, California.

When an in-flight collision incapacitates the pilots of an airplane bound for Los Angeles, stewardess Nancy Pryor is forced to take over the controls. From the ground, her boyfriend Alan Murdock, a retired test pilot, tries to talk her through piloting and landing the 747 aircraft. Worse yet, the anxious passengers — among which are a noisy nun and a cranky man — are aggravating the already tense atmosphere.

An elite group of vice cops are fired from the L.A.P.D. for being over-zealous in their war against drugs. It is immediately apparent that some of their superiors are involved in the drug ring. Banded together, four of the banned cops (which quickly becomes three when one is killed early) band together to fight the drug ring undercover. They gain capital for weapons by ripping off minor drug dealers. Then well-armed they go after the kingpin (Boyd).

A daring prison break from an airliner at 30,000 feet leaves U.S. Marshal Pete Nessip mourning a brother and gunning for revenge. After being ordered to turn in his badge, he seeks out Jessie Crossman, a noted skydiver, and offers to sponsor her crew for the annual Independence Day parachuting show in Washington, D.C., if she trains him. Meanwhile, the mastermind behind the mid-air jailbreak is planning a daring computer theft on Independence Day.

Detectives Marcus Burnett and Mike Lowrey of the Miami Narcotics Task Force are tasked with stopping the flow of the drug Ecstasy into Miami. They track the drugs to the whacked-out Cuban drug lord Johnny Tapia, who is also involved in a bloody war with Russian and Haitian mobsters. If that isn't bad enough, there's tension between the two detectives when Marcus discovers that playboy Mike is secretly romancing Marcus’ sister, Syd.