Ann, a frustrated wife, enters into counseling due to a troubled marriage. Unbeknownst to her, her husband John has begun an affair with her sister. When John’s best friend Graham arrives, his penchant for interviewing women about their sex lives forever changes John and Ann’s rocky marriage.
With high school a distant memory, Jim and Michelle are getting married — and in a hurry, since Jim's grandmother is sick and wants to see him walk down the aisle — prompting Stifler to throw the ultimate bachelor party. And Jim's dad is reliable as ever, doling out advice no one wants to hear.
Fresh to Las Vegas with no connections, Nomi Malone takes a job as an exotic dancer. Her talents are quickly noticed by Cristal, a headlining dancer who senses an opportunity to bolster her own act. But Nomi won’t play second fiddle and soon begins her venomous path to the top, ruthlessly backstabbing anyone who gets in her way.
Everyone has 'moved on', except for Sherman and Jim Levenstein's still understanding father. Little Matt Stiffler wants to join his older brother Steve's business and, after everything Matt has heard from Jim's band-geek wife, he plans to go back to band camp and make a video of his own.
Notorious Baltimore criminal and underground figure Divine goes up against Connie & Raymond Marble, a sleazy married couple who make a passionate attempt to humiliate her and seize her tabloid-given title as "The Filthiest Person Alive".
A deranged killer wearing a clown mask begins preying on a group of young women working at a phone-sex company.