Kirk is an average Joe who works as a TSA agent at the Pittsburgh airport with his friends.
While visiting his hometown during Christmas, a man comes face-to-face with his old high school crush whom he was best friends with -- a woman whose rejection of him turned him into a ferocious womanizer.
A nerdy valedictorian proclaims his love for the hottest and most popular girl in school - Beth Cooper - during his graduation speech.
Much to his surprise, Beth shows up at his door that very night and decides to show him the best night of his life.
A high school slacker who's rejected by every school he applies to opts to create his own institution of higher learning, the South Harmon Institute of Technology, on a rundown piece of property near his hometown.
Dave is a married man with three kids and a loving wife, and Mitch is a single man who is at the prime of his sexual life.
One fateful night while Mitch and Dave are peeing in a fountain, lightning strikes and they switch bodies.
Devastated Peter takes a Hawaiian vacation in order to deal with the recent break-up with his TV star girlfriend, Sarah.
Little does he know, Sarah's traveling to the same resort as her ex - and she's bringing along her new boyfriend.
Another security guard, Kirk (Jay Baruchel) comes to her rescue, and passes her through to catch her plane.
Luckily, Kirk finds Molly's phone that she left behind, and from the plane, Molly calls her phone and invites Kirk to a party to return her phone when she returns.
Kirk is smitten by Molly, but his friends point out to him that he doesn't have a chance, because he is only rated as a "5" and Molly is definitely a "10".