Stifler performs oral sex on a former classmate named Loni hoping she would return the favor, only to strike out. Fed up with Stifler's rudeness, the guys tell him off.
Jim and Michelle decide to role-play, but Kara tries to seduce him again. Stifler responds that they never contact him anymore and they didn't tell him they were coming to town.
Jim is still married to Michelle (Alyson Hannigan) and they now have a two-year-old son, Evan.
Since the birth of their son, Jim and Michelle's sex life has deteriorated.
At the reunion, Finch admits that he is an assistant manager at Staples and stole the motorcycle from his boss when he did not receive a raise that was promised.
Jim and Michelle attend, intending to recreate their prom night.They bring Noah along to help him out of his depression.Noah becomes intoxicated and encounters Stifler's mother Jeanine (Jennifer Coolidge) for the first time.Kara becomes intoxicated; Jim drives her home, and she tries to seduce him.They are discovered by John, who mistakes Kara for Michelle and dismisses it. Kevin wakes up hungover next to Vicky and assumes they had sex.Finch tells his friends that he has been traveling the world, and still searching for his one true love.Stifler works as a temp at an investment firm, where he is also the victim of cruel verbal abuse by his arrogant employer.That night, the guys and girls minus Michelle, go to the falls and find a high school party celebrating Kara's birthday.Finch and Selena reconnect and realize how much they have in common, and they fall in love.Kevin confronts Vicky about the night before, but she insists there was no sex and is upset that he would assume such a thing.Mia takes Ecstasy, and Ron humiliates Oz by showing a DVD of his failure as a contestant on Celebrity Dance-Off.