Prior to the opening credits we see portions of the stag film that is shot in the course of the movie. Voices are overheard that make it apparent that men and women are watching this in the present day. At the end a man complains that there was no "Come shot", something that will later develop into a plot point.
À Paris, à la fin des années 1970, Anne Parèze est une productrice de films pornographiques gay. Mais pour retrouver les faveurs de sa compagne de 10 ans sa cadette et monteuse Loïs, Anne va décider de changer de registre en se lançant dans le financement d'un film beaucoup plus ambitieux qui sera réalisé par son ami de longue date, le flamboyant Archibald. Ses projets sont cependant perturbés par un tueur en série masqué qui s'attaque tout d'abord au jeune Karl, un acteur qui a beaucoup tourné pour Anne avant de s'en prendre à la plupart des protagonistes du film. Anne est alors entraînée dans une étrange enquête qui va bouleverser sa vie.
Events surrounding Linda's relationship with Chuck and the production of Deep Throat are portrayed twice. The first portrayal includes no violence or intimidation, making her life look perfect, but the second portrayal reveals the truth and what really happened, including scenes of domestic abuse and intimidation by Traynor.
A young Spanish couple lives in Madrid with their mothers, in dilapidated apartments and within days of chatter and boredom. In the absence of money and prospects, discovered her pregnancy, they will decide to shoot an amateur porn.
Jung-woo is a film director of adult films. He entered the film industry because of his love for cinema, but found himself stuck doing erotic movies for 10 years. Jung-woo dreams of directing an actual commercial film, one that will become a box office hit. So he and his assistant director Jin-hwan lure top actress Eun-soo into one of their productions. Eun-soo began acting 20 years ago, and is determined to finally shed her image as a former child actress.
When he is unable to find paying work as an actor in New York, Adam (Matthew Ludwinski) decides to try Los Angeles. He moves in with his eccentric but lovable friend Candy (Allison Lane), whose fiancee Frank supports her. Adam gets a reception job at a talent agency, but gets fired for coming in late one day. He then meets Nick (Casper Andreas), a guy from the gym who works as a director and photographer. Nick helps Adam land a job with Jet Set Productions, a company that produces gay pornography.
Six friends come together to try to find fame and fortune by making the world’s most innocent adult movie ever made. Although they have literally no idea what they’re doing, they keep at it and are determined to accomplish their goal...no matter what gets in the way. After the clueless crew ultimately does make a porno, they screen it for the first time at the local bar. The brother of a girl whose scene ultimately was not used sees her featured briefly while looking through the bar window; he angrily barges in takes the reel off the projector, covers it in whiskey and sets it aflame. It is revealed that this was the only print they had, all their work was now destroyed. However, the cinematographer had been taping the entire production process on mini DV tapes. He then edits these down into a completely innocent documentary about the trials and tribulations of making (and then losing) their porn film. The movie he cuts together from the DV tapes is the actual film "The Amateurs" itself. "The Amateurs" becomes a hit within the independent film community, which brings fame and fortune to the group.
Magnus (Jussie Smollett), an affluent young medical student, is happily in a five-month relationship with his boyfriend, Ryan (Dustin Ross). Magnus's Brown University college friends join him in New York City for Gay Pride for the weekend: lesbian Yale University PhD student and gay-porn aficionado Langston (Shanika Warren-Markland); innocent and sometimes childlike Sebastian (Blake Young-Fountain), who has just come back from a year in Paris paid for by his parent's trust fund; promiscuous Kyle (Anthony Burrell), now living in Los Angeles and enjoying a career in film production; and witty and sarcastic Joey (Jeffrey Bowyer-Chapman). Ryan gives Magnus the weekend alone to enjoy his time with his friends, and Magnus reveals to them that he and Ryan have agreed on a six-month abstinence pledge so they can appreciate one another more deeply than the physical level. Magnus takes them all to see the former home of Langston Hughes in Harlem, and the group reflects on their cultural history, while Magnus and Sebastian recite lines from Hughes's poetry.
Jon Rubin, vétéran de la guerre du Viêt Nam, est engagé par un producteur de films pornographiques afin de filmer ses voisins d'en face dans les moments les plus intimes.
Mormon missionary Joseph Young (Trey Parker), assigned with his mission partner to Los Angeles, finds the city to be an unfriendly and unreceptive place for their work. Things come to a head when they knock on the door of sleazy porn director Maxxx Orbison (Michael Dean Jacobs) and several security guards are sent to deal with them. Joe dispatches all of them single-handedly with a variety of unexpected martial arts skills. Baffled by his performance and fed up with his current project’s lead actor being a wimp, Orbison attempts to hire Joe to be the titular lead of his pornographic superhero film, Orgazmo. Joe is conflicted because of his beliefs but the salary offered would pay for a wedding in the temple in Utah where his fiancée Lisa (Robyn Lynne Raab) has expressed a strong desire to wed. Joe caves in despite being given a sign from God.
Germain Dagenais, a former solicitor (Côté), discovers evidence from a crime scene which included a dead body, of a videotape that included pornography. He is interested in viewing porn during his private time and accidentally finds his own daughter Nathalie (Karine Vanasse) in a video announcing she will be in a future video. Panicked, Germain must find his daughter and save her before she meets the same fate.