I'll Always Know What You Did Last Summer 2006

Overview

Topic: Film "I'll Always Know What You Did Last Summer" (2006).
Goal: Factual, original 150-190 word overview.
Constraints:
ONLY verifiable facts from provided SYNOPSIS and SOURCES.
No invented/guessed titles, names, dates, counts, awards, ratings, box-office, or plot points.
Omit details not in the material.
Original, neutral, encyclopedic prose.
Plain text only (no markdown, no asterisks, no headings, no bullet points).
First sentence must not contain spoilers.
Word count: 150-190 words.
Title: I'll Always Know What You Did Last Summer.
Year: 2006.
Release Date: 08/22/2006 (US).
Genre: Horror.
Rating: R.
Runtime: 1h 32m.
Setting: A small-town in Colorado.
Plot:
Teenagers concoct a July 4th prank based on a frightening legend.
The prank goes awry, and their friend is accidentally killed.
Teens agree to keep their involvement secret from authorities.
Authorities continue to search for the man who apparently killed their friend.
One year later, as the July 4th celebration approaches, the teenagers realize they are being stalked.
The stalker intends to keep the legend alive by killing