so he has to repair their relationship before senior prom, now the target day for the four. Kevin discovers an old book in the library that has been compiled by students giving sexual tips; he shares the information with his friends and gives Vicky cunnilingus after studying the book. Oz joins the school choir to find a girlfriend and learn about sensitivity. He soon gains the attention of choir girl Heather, who learns about Oz's reputation and breaks up with him. Jim pursues Nadia, a Czech foreign exchange student. After Oz tells Jim that third base feels like "warm apple pie", his dad surprises him having sex with a freshly baked pie in the kitchen. At school, Nadia asks Jim to help her study, and Stifler persuades Jim to set up a webcam in his room so that they can all watch Nadia changing clothes after coming over to study following her ballet class. Watching, they see Nadia discover Jim's pornography collection and while sitting half-naked on his bed, she starts to masturbate to it. Jim is persuaded to return to join Nadia, unaware that the webcam link has been sent to everyone on the school list. He fails to cover the webcam and when he joins a willing Nadia he experiences premature ejaculation twice. Nadia's sponsors see the video and send her back home, leaving Jim dateless for the prom and the laughing stock of the school. Jim, believing school band geek Michelle is unaware of the webcam incident, asks her to the prom. Finch pays Vicky's friend, Jessica, $200 to spread a rumor of his sexual prowess, hoping that it will increase his chances of success. Stifler is turned down by a girl because she wants Finch to ask her, so he spikes Finch's mochaccino with a laxative. Stifler directs Finch into the girls' bathroom where Finch has loud diarrhea. As he leaves, he is laughed at by Stifler and a crowd of students. Oz makes the decision to leave his lacrosse championship game to join Heather for a duet performance and they reconcile. At prom, Sherman's virginity conquest is revealed to be a lie and he urinates in his pants in front of everyone in attendance. Jim becomes annoyed by Kevin's obsession to have them fulfill their pledge. At Stifler's post-prom party, after Kevin tells Vicky he loves her, they have sex in an upstairs bedroom, and