A fleet of Martian spacecraft surrounds the world's major cities and all of humanity waits to see if the extraterrestrial visitors have, as they claim, "come in peace." U.S. President James Dale receives assurance from science professor Donald Kessler that the Martians' mission is a friendly one. But when a peaceful exchange ends in the total annihilation of the U.S. Congress, military men call for a full-scale nuclear retaliation.

Having witnessed his parents' brutal murder as a child, millionaire philanthropist Bruce Wayne fights crime in Gotham City disguised as Batman, a costumed hero who strikes fear into the hearts of villains. But when a deformed madman known as 'The Joker' seizes control of Gotham's criminal underworld, Batman must face his most ruthless nemesis ever while protecting both his identity and his love interest, reporter Vicki Vale.

When cocky military lawyer Lt. Daniel Kaffee and his co-counsel, Lt. Cmdr. JoAnne Galloway, are assigned to a murder case, they uncover a hazing ritual that could implicate high-ranking officials such as shady Col. Nathan Jessep.

A petty criminal fakes insanity to serve his sentence in a mental ward rather than prison. He soon finds himself as a leader to the other patients—and an enemy to the cruel, domineering nurse who runs the ward.

Charley Partanna is a hitman who works for the Prizzis, one of the richest crime families in the US. When he sees Irene Walker, it's love at first sight. But he soon finds that she, too, is a killer for hire. Charley can overlook his suspicions, but he can't turn off his heart. And the couple must remember that even if they love each other, the Prizzis love only money.

To take down South Boston's Irish Mafia, the police send in one of their own to infiltrate the underworld, not realizing the syndicate has done likewise. While an undercover cop curries favor with the mob kingpin, a career criminal rises through the police ranks. But both sides soon discover there's a mole among them.

Wyatt and Billy, two Harley-riding hippies, complete a drug deal in Southern California and decide to travel cross-country in search of spiritual truth.

Jack Torrance accepts a caretaker job at the Overlook Hotel, where he, along with his wife Wendy and their son Danny, must live isolated from the rest of the world for the winter. But they aren't prepared for the madness that lurks within.

Clips from assorted television programs, B-movies, commercials, music performances, newsreels, bloopers, satirical short films and promotional and government films of the 1950s and 1960s are intercut together to tell a single story of various creatures and societal ills attacking American cities.

Private eye Jake Gittes lives off of the murky moral climate of sunbaked, pre-World War II Southern California. Hired by a beautiful socialite to investigate her husband's extra-marital affair, Gittes is swept into a maelstrom of double dealings and deadly deceits, uncovering a web of personal and political scandals that come crashing together.