The film opens with Willy and Lacey as children watching their mother and her lover preparing to have sex. When the mother notices them, she has her boyfriend tie Willy to his headboard before sending Lacey to her room. Lacey frees Willy from his bed and Willy enters their room and repeatedly stabs his mother's boyfriend to death with a kitchen knife in front of a large mirror.
The night after the events of previous film paramedics clean up the remains left by psychopathic killer Jason Voorhees and deliver him to the county morgue, where the mortician Axel fails to notice signs that Jason is breathing. After escaping cold storage, Jason slices Axel's neck with a hacksaw and stabs nurse Robbie with a scalpel.
Emma (Monica Potter) and John Collingwood (Tony Goldwyn), and their daughter, competitive swimmer Mari (Sara Paxton), head out on vacation to their lake house. Shortly thereafter, Mari borrows the family car and drives into town to spend some time with her friend Paige (Martha MacIsaac). While Paige works the cash register at a local store, she and Mari meet Justin (Spencer Treat Clark), a teenager passing through town who invites them both back to his roadside motel room to smoke some marijuana. While the three are hanging out in the motel room, Justin's family members return: Krug (Garret Dillahunt), Justin’s father; Francis (Aaron Paul), Justin’s uncle; and Sadie (Riki Lindhome), Krug’s girlfriend.
During a lunchtime tryst in Phoenix, Arizona, a real estate secretary named Marion Crane discusses with her boyfriend, Sam Loomis, how they cannot afford to get married because of Sam's debts. After lunch, Marion returns to work, where a client drops off a $40,000 cash payment on a property. Her boss asks her to deposit the money in the bank, and she asks if she can take the rest of the afternoon off. Returning home, she begins to pack for an unplanned trip, deciding to steal the money and give it to Sam in Fairvale, California. She is seen by her boss on her way out of town, which makes her nervous. During the trip, she pulls over on the side of the road and falls asleep, only to be awakened by a state patrol officer. He is suspicious about her nervous behavior but allows her to drive on. Shaken by the encounter, Marion stops at an automobile dealership and trades in her Ford Mainline, with its Arizona license plates, for a Ford Custom 300 that has California tags. Her transaction is all for naught - the highway patrolman sees her at the car dealership and witnesses her purchase of the newer car.
The film opens as Grady Edwards (Dylan Walsh) transforms himself in a bathroom. He shaves off his beard, dyes his hair, and removes his brown contact lenses. He goes downstairs with his luggage and fixes himself peanut butter toast and coffee. As he leaves the house, the camera reveals the bodies of his wife and her three children.
Three friends, Arlene, Shanna and radio DJ "Jungle" Julia Lucai, drive down Congress Avenue in Austin, Texas on their way to celebrate Julia's birthday. In a bar, Julia reveals that she made a radio announcement offering a free lap dance from Arlene in return for addressing her as "Butterfly," buying her a drink, and reciting a segment of the poem "Stopping by Woods on a Snowy Evening". Aging Hollywood stunt double "Stuntman Mike" trails the women to a bar and claims the lap dance. Arlene is suspicious, having seen Mike's car earlier that day, but Mike puts her at ease.
Une famille, en route pour emmener leur fille au pensionnat, décide de s’arrêter pour la nuit dans le parc de mobile home désert de leur oncle mais ils ne se doutaient pas qu'ils auraient de la visite… Traquée par trois tueurs masqués, elle devra lutter pour survivre durant cette longue nuit d'horreur...
In Australia in 1999, two British tourists, Liz Hunter (Cassandra Magrath) and Kristy Earl (Kestie Morassi), are backpacking across the country with Ben Mitchell (Nathan Phillips), an Australian friend from Sydney. Currently in Broome, Western Australia, they constantly get drunk at wild, extravagant pool parties and camp out on the beach. Ben buys a dilapidated Ford XD Falcon for their road journey from Broome to Cairns, Queensland via the Great Northern Highway.
In the remote forest of West Virginia, Halley Smith (Yvonne Gaudry) and Rich Stoker (Joel Harris) are rock climbing on a cliff. As Rich prepares to help Halley, she witnesses his sudden murder. Someone begins to pull Halley up the cliff so she cuts the rope and falls to the ground. Halley then attempts to escape to her car but trips over a piece of barbed wire before being pulled back into the woods, screaming, by one of the three cannibalistic mutant mountain men.
Theta Pi sorority sister Megan (Audrina Patridge) discovers that her boyfriend Garrett (Matt O'Leary) is cheating on her, and enlists the help of her friends and sorority sisters Cassidy (Briana Evigan), Jessica (Leah Pipes), Ellie (Rumer Willis), Claire (Jamie Chung), and Garrett's sister Chugs (Margo Harshman) to pull a prank on him. After Megan fakes her own death while having sex with him, Garrett and the girls bring her to a lake, where they intend to dump her body. When Jessica mentions they need to release the air out of her lungs so her body will not float to the surface, Garrett actually kills Megan by stabbing her in the chest with a tire iron. Jessica, Claire, and Chugs dump Megan's body and the tire iron in a nearby mine shaft. Everyone swears to never mention the incident to anyone, much to Cassidy and Ellie's dismay.
Helen Lyle, a graduate student, conducts research on urban legends, and, in the process, learns of a local legend known as Candyman. The legend claims that Candyman can be summoned by saying his name five times while facing a mirror, whereupon he will murder the summoner with his hook-hand. Later that evening, Helen and her friend Bernadette, skeptical of Candyman's existence, call Candyman's name into the mirror in Helen's bathroom, but nothing happens.
On October 31, 1978, picking up immediately after the events of the first film, Laurie Strode (Jamie Lee Curtis) is rushed to the hospital after being attacked by Michael Myers (Dick Warlock), who disappeared after being shot six times and falling from a second story balcony. Dr. Loomis (Donald Pleasence) attempts to track down Michael. After escaping, Michael steals a butcher knife from the house of an elderly couple and kills the next door neighbor, who came outside to investigate the neighbor's scream. He later learns of Laurie's location from a radio broadcast and makes his way to Haddonfield Memorial Hospital. Laurie begins having flashbacks of being adopted by the Strodes and visiting a boy in a mental institution. However, her sedation leaves her in a semi-conscious state most of the time. Paramedic Jimmy (Lance Guest) begins to develop romantic feelings for Laurie, despite the chagrin of the head nurse Mrs. Alves (Gloria Gifford), who is trying to get Laurie to rest comfortably. Dr. Loomis and Sheriff Brackett (Charles Cyphers) continue to search for Michael, only for an oncoming speeding police car to accidentally hit and kill Bennett Tramer (who was wearing a mask similar to Michael's) in the process.
Six years after the events of the previous film, Glen, the kind and gentle son of Chucky and Tiffany, has a nightmare in which he murders a little girl's parents. In reality, he is living a life of embarrassment and abuse as a ventriloquist's dummy from his own point of view. Desperate to know his parents, Glen tracks Chucky and Tiffany down to Hollywood, where they are first shown killing a man who is dressed as Santa Claus for a movie. Upon tracking down his mom and dad, who are now dummies in one of Jennifer Tilly's films, Glen uses a voodoo amulet to bring them back to life. When Chucky (voice of Brad Dourif) finds out that Glen is his child, he faints, while Tiffany is ecstatic and hugs her child. Tiffany and Chucky argue over whether Glen is male or female, due to his lack of genitals (though he is clearly a male). Chucky decides to continue labeling him as a boy, whereas Tiffany labels him as a girl, calling him "Glenda".
During a high school track meet, Laura (Ruth Ann Llorens), a female runner, is pushed by the crowd and her demanding coach. Apparently the pressure is too much for Laura who collapses right after crossing the finish line and breaking a 30 second 100 meter race. Upon examination by the coach and her teammates, Laura is dead.
A young Tommy Jarvis stumbles upon a graveyard while walking through the woods on a rainy night, where he witnesses two grave robbers digging up the corpse of Jason Voorhees. Jason rises from the grave and murders the grave robbers before advancing towards Tommy.