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The I Know What You Did Last Summer legacy sequel now has an official teaser poster and synopsis. The movie is the fourth feature-length installment in the slasher franchise, which originated in 1997 with a movie following the hook-wielding killer Ben Willis avenging a death that was covered up by a group of teenagers following a car accident the year before. The upcoming I Know What You Did Last Summer stars Madelyn Cline, Chase Sui Wonders, Jonah Hauer-King, Tyriq Withers, Sarah Pidgeon, Lola Tung, and Nicholas Alexander Chavez alongside legacy stars Freddie Prinze Jr. and Jennifer Love Hewitt.
Sony has now unveiled the teaser poster for I Know What You Did Last Summer. Although it does not reveal any of the faces of the new or returning characters, it does feature a hand holding a bloody hook. Whether the killer turns out to be a familiar face or a new vengeful person, the legacy of Ben Willis’ iconic weapon remains firmly in place in the new movie. The blood dripping from the hook also seems to imply that the kills in the new movie will be particularly gory. See the full-size image below:
They have also announced the official synopsis for the movie. The setup for the legacy sequel – which was directed by Jennifer Kaytin Robinson from a screenplay by Robinson, Leah McKendrick, and Sam Lansky – is almost exactly the same as the original movie. It will follow a group of five friends who “inadvertently cause a deadly car accident” and are “stalked by a killer” a year later. This leads them to seek help from “two survivors of the legendary Southport Massacre of 1997.” Read it below:
When five friends inadvertently cause a deadly car accident, they cover up their involvement and make a pact to keep it a secret rather than face the consequences. A year later, their past comes back to haunt them and they’re forced to confront a horrifying truth: someone knows what they did last summer…and is hell-bent on revenge. As one by one the friends are stalked by a killer, they discover this has happened before, and they turn to two survivors of the legendary Southport Massacre of 1997 for help.
More to come…
Source: Sony
I Know What You Did Last Summer
- Release Date
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July 18, 2025
- Director
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Jennifer Kaytin Robinson
- Writers
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Jennifer Kaytin Robinson, Leah McKendrick, Sam Lansky, Lois Duncan, Freddie Prinze Jr.