After a nasty accident, four friends begin to drift apart. One year later Julie James gets a anonymous message and then a slicker wearing, hook wielding killer begins to rip apart her life.
I Know What You Did Last Summer is a 1997 American slasher film written by Kevin Williamson and directed by Jim Gillespie. The film is loosely based on the 1973 novel of the same name by Lois Duncan. The film also draws inspiration from the urban legend known as The Hook.