I Know What You Did Last Summer

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."

• Runtime 1 hour 40 mins
• Released 17th October, 1997
• Rating R
• Director Jim Gillespie
• Writer Lois Duncan Kevin Williamson