Acteurs: Jennifer Love Hewitt, Sarah Michelle Gellar, Ryan Phillippe, Freddie Prinze Jr., Bridgette Wilson, Johnny Galecki, Muse Watson, Anne Heche, Stuart Greer, Dan Albright, Rasool J'Han
Réliasé: 1997 10 17
Produit par: Columbia Pictures Corporation, Mandalay Entertainment, Summer Knowledge LLC
Pays: United States of America
Chiffre d'affaire: 125586134$USD
As they celebrate their high school graduation, four friends are involved in a hit-and-run accident when their car hits and apparently kills a pedestrian on an isolated roadway. They dispose of the body and vow to keep the incident a secret, a year later somebody starts sending them letters bearing the warning "I Know What You Did Last Summer."