High school sophomore Samantha "Sam" Baker (Molly Ringwald) struggles to get through the day on her 16th birthday, which her entire family has forgotten about because her older sister, Ginny, is getting married the next day. She is also plagued by infatuation with a popular and attractive senior, Jake Ryan (Michael Schoeffling). At school she fares no better when she finds out that a completed "sex quiz," which she tried to surreptitiously slip to her friend, never reached her friend and, unbeknownst to either of them, was picked up by Jake. Sam panics because the quiz contains sensitive information, such as she is a virgin and is saving herself for Jake.
Les Anderson (Haim) is a 16-year-old living in Southern California who is trying to get his driver's license and has a crush on one of the more popular and attractive girls in school, Mercedes Lane (Graham).
In the beginning, a red/white '58 Plymouth Fury is built at its assembly line. While a worker begins to investigate the engine for any mistakes, the car surprisingly closes its hood on his hand, injuring him. Surprisingly, after the injured man is taken away, and during closing time, another worker is killed in the Fury, supposedly died of inhaling fumes 'in' the car.
A letter is written to Ms. Balbricker arranging a rendezvous at a motel with an old boyfriend of hers, while Pee Wee is enticed to the same motel room by the promise of a night of passion with a beautiful Swedish exchange student. Tommy tricks Pee Wee into going to another location while he heads to the motel room. Ms. Balbricker arrives first followed by Tommy, and they are horrified to find themselves unclothed and in bed with each other. To make up for their prank on Ms. Balbricker, the gang contacts her old boyfriend and actually gets them together.
Berke Landers (Ben Foster) and his girlfriend Allison (Melissa Sagemiller) were the quintessential high-school couple who grew up together and eventually fell in love, but she breaks up with him immediately after the film begins. This leads to an opening musical number of "Love Will Keep Us Together" by Vitamin C, imagined by Berke. He seeks advice from his embarrassing parents Frank (Ed Begley Jr.) and Beverly Landers (Swoosie Kurtz), who are hosts of a relationship advice show called Love Matters, but they don't help with the situation and constantly focus on his sex life and sexuality throughout the film. Allison then starts a relationship with Striker (Shane West), a 'foreign' student who was once the lead singer of a boy band called "The Swingtown Lads". When Allison and Striker audition for the school's upcoming musical, Berke desperately tries to win Allison back by also auditioning for the play, despite having no theatrical talent and having a busy schedule as a member of the basketball team. Meanwhile, Berke's friends Felix (Colin Hanks) and Dennis (Sisqó) try to find a new girlfriend for him.
Erik Stifler and Mike "Cooze" Coozeman arrive at the University of Michigan as freshmen. Upon arriving at his dorm, Erik meets a girl named Ashley while she is taking a shower in the coed bathrooms. He then meets his new roommate Bobby and his girlfriend Margie while they are having sex. Erik eventually reunites with his cousin, Dwight Stifler, the leader of the Beta House fraternity, who invites Erik, Cooze, and Bobby to a Beta House party. They learn how they can gain eligibility to pledge for the Beta House and meet Wesley, the rush chair of the Beta House who experiences blackouts after drinking alcohol. Erik and Ashley begin dating, but on their first date at a restaurant, Erik accidentally spills hot soup on his legs, so Ashley brings him to her room to clean up. As Ashley rubs lotion on Erik's thigh, he develops an erection and accidentally ejaculates over her possessions. Erik apologizes and explains to Ashley that his girlfriend Tracy broke up with him, and he has not had sex in four months.
The film is set against the strict social hierarchy of an American public high school. Working class misfits Keith Nelson (Eric Stoltz) and the defensively tomboyish Watts (Mary Stuart Masterson) are good friends. But when Keith asks out the most popular girl in school, Amanda Jones (Lea Thompson), Watts realizes her feelings for him are much deeper. Meanwhile, Hardy Jenns (Craig Sheffer), Amanda's Corvette-driving spoiled ex-boyfriend from the rich end of town, plots trouble for Keith by inviting him and Amanda to a party after the date. Elsewhere, Amanda is cut dead by her friends. Keith finds out about the plot, believing Amanda to be party to it, but goes ahead with the date anyway, spending money saved for college and roping in Watts (as chauffeur) to help make the date special. At Jenns's party, the timely arrival of other "misfits" saves Keith from being beaten up. Keith tells Jenns he is "over" and Amanda slaps Jenns's face. In the end, Amanda decides that she needs to learn to stand on her own. Keith catches up to Watts and they kiss and walk on together.
Barney Springboro (Scott Baio) is a high school science nerd at Emerson High who obtains telekinetic powers after a lab accident. Along with his best friend Peyton Nichols (Willie Aames), a wealthy playboy with a dirty mind, Barney uses his new powers to take revenge upon bullies, cheat at baseball, and expose attractive female flesh, particularly the beautiful but snobby Jane Mitchell (Heather Thomas). Barney comes to realize that the best girl for him is actually Bernadette (Felice Schachter), the school's nerdy feminist class president who also becomes privy to his secret powers. After typical hijinks, the film's climax is set at the school's senior prom which Barney uses his powers to disrobe several people when he loses his self control, which is strangely similar to the climax of Stephen King's Carrie. After he gets hit on the head with a fire hose, he wakes up later and discovers that he no longer has his powers, to the dismay and relief of both Peyton and Bernadette. However, in the final scene it is revealed that this is a lie as Barney escorts Bernadette from the building and uses his powers to levitate himself and her away.
Georgia Nicholson is a 14-year-old school girl who has many stresses in her life. She thinks her parents and little sister are embarrassing, that her nose is too big, and that she'll never get a boyfriend. She is also trying to plan her fifteenth birthday party, wanting it to be cool and trendy, which is not what her parents have in mind. On the last day before the new school year, she attends a fancy dress party dressed as a stuffed olive, "to be original", but gets laughed at by the other party-goers, most of all by Georgia's rival, "Slag" Lindsay - a pretty, blonde but spiteful girl in Georgia's year.
In 1974, 11-year-olds Wendy Richards, Jude Cunningham, Kelly Lynch, and Nick McBride play hide and seek in an abandoned convent. 10-year-old Robin Hammond tries to join them, but they start teasing her by repeating "Kill! Kill! Kill!". Robin is then backed up towards a window from which she falls to her death. Instead of reporting the incident to the police, the children make a pact not to tell anyone what happened and keep the incident a secret, but after they leave, a shadow falls across Robin's body. Later a known rapist is mistakenly blamed for Robin's death and is arrested.
Dublin, en 1985, Conor Lawlor (Ferdia Walsh-Peelo ), un jeune lycéen de 15 ans, est contraint de changer de lycée car ses parents, touchés par la crise économique, n'ont plus d'argent pour payer ses études. Dans ce nouvel établissement, il subit l'ambiance désastreuse du lycée religieux « Synge Street ». Inspiré par les groupes mythiques de l'époque tels que The Cure, Duran Duran ou encore A-ha, le jeune garçon forme un groupe de musique avec l'aide de ses nouveaux camarades et de son grand frère Brendan (Jack Reynor), pour séduire la belle et mystérieuse mannequin Raphina (Lucy Boynton).
A group of college friends--Harvey, Nikki, Rob, Skip, Nan, Chaz, Kit and Arch--gather to celebrate Spring Break by spending the weekend at the island mansion of their friend Muffy St. John, on the weekend leading up to April Fools' Day. The tone is set almost immediately, with Muffy preparing details around the house, and finds an old jack-in-the-box she remembers (in flashback). Her friends, meanwhile, are joking around on the pier, then on the ferry to the island. But en route to the island, Buck, a local deckhand, is seriously injured in a gruesome accident.
Dans une petite ville du Massachusetts, quatre adolescentes exécutent un rituel visant à démystifier l'existence d'un croquemitaine. Mais la disparition de l'une d'elles vient dramatiquement changer la donne.
In Cleveland, Ohio, high school senior Wren DeSantis' (Victoria Justice) opening narration describes Halloween in Cleveland as a time for its citizens to dress up and be less ashamed of themselves, citing the nickname "the mistake by the lake." This Halloween though would be the first that she and her family spend since the death of her father, a former Def Jam Records production assistant. She also focuses on the fact that she, her mother, Joy (Chelsea Handler), and oddball little brother, Albert (Jackson Nicoll) are touched by the death of her father in their own way. Albert, who also has reputation as a legend at video games, has apparently chose a life of elective mutism. Wren's widowed mother, Joy, dyed her hair blonde and is dating a 26-year-old boyfriend named "Keevin" (Josh Pence). Wren has her heart set on college life at New York University. Her friend April (Jane Levy) has her eyes set on social status, and nerdy friend Roosevelt (Thomas Mann) has his heart set on Wren. The two girls are surprised when they find they are invited to a Halloween party by local heartthrob Aaron Riley (Thomas McDonell), even as she performs a seemingly uncool "explaining rap," about her friend Roosevelt's proposed E.O. Wilson costume. Wren decides on a Dorothy Gale costume, and April decides to dress as a sexy cat. Albert wants a costume with a fake severed arm, while Wren tries to talk him into selecting a Spider-Man costume. He chooses both. On the day she is supposed to go to the party, she is also ordered by her mother to take Albert trick-or-treating so she can go to a party with her boyfriend. Despite Wren's pleas to not watch her brother, Joy offers to sign her applications for NYU if she does. The party that Keevin invites Joy to turns out to be run by Keevin's friend Nate Brueder who is roughly the same age. None of the people at the party even recognize that she is dressed like Britney Spears during the early period of her career. Brueder and friends engage in behavior such as binge drinking, farting in her cell phone, and causing other juvenile chaos.
Kelvin "Kelley" Morse and Jasper Arnold become involved in a car race and accidentally damage a restaurant owned by Samantha Cavanaugh's parents. Both are sentenced to perform community service by repairing the damage. Although Kelley comes from a wealthy family and Jasper's parents are working-class, they soon find themselves fighting over the same girl, Samantha. While Jasper and Samantha have been courting publicly for years, in secret, Kelley and Samantha begin to spend time together. They soon find that they have more in common than they imagined, and they fall in love. Eventually, Jasper learns of their interlude and doesn't like it. During a trip to Kelley's home in Boston he reveals to Samantha that his mother killed herself. Samantha brings Kelley into the house and they sleep together. In the morning, after Sam makes Kelley breakfast, Kelley's father arrives and informs him he must attend college early and give up his fling with Samantha. Upon returning to the small town, Samantha's parents soon learn that their daughter has osteosarcoma, stemming from a track/field injury, and only a few months to live. Samantha tells Kelley that she thinks everyone has their own heaven and it is made of a combination of all the things we loved in life. She says that his mother has Kelley with her in her heaven. When Kelley learns the awful truth, he must decide if he should obey his father's wishes and go to college or stay by the side of the first girl he's ever loved. In the end he returns to be with Samantha during her final months of life. At her funeral, Kelley recites a passage from a poem he and Sam loved. The film closes with a shot of Samantha running through a field in her version of heaven.