When Erik Stifler realizes that he's the only Stifler family member who might graduate high school a virgin, he decides to live up to his legacy. After some well-meaning advice from Jim's dad, Erik's ready to take his chances at the annual and infamous Naked Mile race, where his devoted friends and some uninhibited sorority girls will create the most outrageous weekend ever.

Tells the story of Rainbow Randolph, the corrupt, costumed star of a popular children's TV show, who is fired over a bribery scandal and replaced by squeaky-clean Smoochy, a puffy fuchsia rhinoceros. As Smoochy catapults to fame - scoring hit ratings and the affections of a network executive - Randolph makes the unsuspecting rhino the target of his numerous outrageous attempts to exact revenge and reclaim his status as America's sweetheart.