Written and executive produced by Sara Goodman,I Know What You Did Last Summeris based on Lois Duncan’s 1973 novel, which was also the basis of the iconic 1997 film. One year after the fatal car accident that haunted their graduation night, a group of teenagers find themselves bound together by a dark secret and stalked by a brutal killer. As they try to piece together who’s after them, they reveal the dark side of their seemingly perfect town—and themselves. Everyone is hiding something, and uncovering the wrong secret could be deadly.I Know What You Did Last Summeris produced by Amazon Studios and Sony Pictures Television. Goodman writes and executive produces alongside Original Film’s Neal H. Moritz and Pavun Shetty, Erik Feig, Peter Guber, Atomic Monster’s James Wan, Michael Clear, and Rob Hackett, Craig William Macneill and Shay Hatten. The series stars Madison Iseman, Bill Heck, Brianne Tju, Ezekiel Goodman, Ashley Moore, Sebastian Amoruso, Fiona Rene, Cassie Beck, and Brooke Bloom.