When college guy Wyatt Tripps (Paul Rudd, Clueless) thinks his high school sweetheart is cheating on him, he and Ivy (Reese Witherspoon, Legally Blonde, Sweet Home Alabama), a new "friend," send her the world's most disgusting poison pen letter...via overnight delivery. But when Wyatt gets home, he is in for a shocking surprise. His girlfriend's message explains that she hasn't been unfaithful after all. Now he's got 24 hours to get the letter back in this wildly funny romantic comedy.