I Know What You Did Last Summer

The killer fisherman is the father of the girl Susie. He killed the boy who they thought they'd ran over, then the kids ran him over. Barry is killed and so is Helen along with Elsa, Max and some police guy escorting Helen home from the pageant. Ray was Billy Blue, but he just wanted to see Missy so he used the name of his boat. The killer takes off in a boat with Julie but as he's about to kill her Ray cuts the guys hand off and he falls in the water. A year later Julie is in a shower when she sees "I still know" written on the wall. The fisherman then bursts through the glass. We don't find out Julie's fate until the sequel.

Plot hole: Barry gets killed violently at the pageant. So obviously there should be blood everywhere. When the police go up to the crime scene, they find nothing. There's no way the killer had time to clean up anything, let alone drag away Barry's body without someone seeing him. And blood starts dripping after the police leave the scene.

More mistakes in I Know What You Did Last Summer

Ben Willis: You in some kind of trouble child?
Julie: Yes, yeah I'm in a lot of trouble.
Ben Willis: That's a shame, being that it's the 4th of July and all. Kids like you should be out having fun. Drinking, partying, running people over, getting away with murder... things like that.

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Trivia: This movie is loosely based on a mystery novel from the 70's.

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