I Know What You Did Last Summer (1997) is a horror/slasher film very loosely based on the novel of the same name by Lois Duncan, starring Freddie Prinze, Jr., Sarah Michelle Gellar, Jennifer Love Hewitt, and Ryan Phillippe. The screenplay was written by Kevin Williamson, one of the writers of Scream (1996).The tale starts with a party and the consumption of too much alcohol, as these stories tend to do, during a beach party after Helen Shivers (Gellar) wins the Croaker County Beauty Pageant. On the way home, however, a drunken swerve of the friends' car leads to the death of a fisherman on the side of the road. The four decide to tell no one, and to forget the whole thing, throwing the body into the ocean. But somebody saw, and the next summer, they start to take vengeance, warning the four with an ominous message: I KNOW WHAT YOU DID LAST SUMMER. Before long, people start dying, killed by a rain-slicker-clad figure wielding a hook...I Know What You Did Last Summer was followed by two sequels: I Still Know What You Did Last Summer (1998) and the straight-to-video I'll Always Know What You Did Last Summer (2006). For tropes applying to the original novel, see I Know What You Did Last Summer.
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