Exceptionally ambitious high schooler Matthew has aspirations for a career in politics when he falls in love with his gorgeous 19-year-old neighbor, Danielle. But Matthew's bright future is jeopardized when he finds Danielle was once a porn star. As Danielle's past catches up with her, Matthew's love for her forces him to re-evaluate his goals.
When a young accountant is devastated after discovering his inspiringly beautiful girlfriend is cheating on him, his best friend, who's engaged to a girl he doesn't love, convinces him to go on a "run" and sleep with as many women as he can to get over his heart break.
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.