I Know What You Did Last Summer (1997)

"I Know What You Did Last Summer" (1997) plunges viewers into a chilling game of cat and mouse after four graduating high school friends make a fateful decision. Following a night of revelry, a hit-and-run accident leaves them with a body and a pact of silence. They dispose of the evidence, hoping to bury the secret forever. But a year later, their carefully constructed facade begins to crumble as cryptic notes bearing the ominous message "I Know What You Did Last Summer" start to appear, forcing them to confront their shared guilt and the terrifying possibility that someone is seeking revenge. This 90s slasher mystery earns its place among the best for its classic whodunit structure wrapped in a suspenseful and atmospheric package. The film skillfully builds tension as the friends become increasingly paranoid, suspecting everyone around them. The identity of the stalker remains a compelling enigma throughout, and the film incorporates all the hallmarks of a good slasher film. "I Know What You Did Last Summer" offers a thrilling exploration of guilt, secrets, and the devastating consequences of a single, terrible mistake, all while keeping viewers guessing until the very end.