Slaking a thirst for dangerous games, Kathryn challenges her stepbrother, Sebastian, to deflower their headmaster's daughter before the summer ends. If he succeeds, the prize is the chance to bed Kathryn. But if he loses, Kathryn will claim his most prized possession.
After four high school friends are involved in a hit-and-run road accident, they dispose of the body and vow to keep the incident a secret. A year later, they each start receiving anonymous letters bearing the warning "I Know What You Did Last Summer."
High school hotshot Zach Siler is the envy of his peers. But his popularity declines sharply when his cheerleader girlfriend, Taylor, leaves him for sleazy reality-television star Brock Hudson. Desperate to revive his fading reputation, Siler agrees to a seemingly impossible challenge. He has six weeks to gain the trust of nerdy outcast Laney Boggs -- and help her to become the school's next prom queen.
Two years after the terrifying events that occurred in Woodsboro, Sidney is now attending Windsor College in Cincinnati, and Gale Weathers' best selling book on Sidney's life has now been made into a major motion picture. When two college students are killed in a theatre while watching the new film 'Stab', Sidney knows deep down that history is repeating itself.