When a comet passes close to the earth, machines all over the world come alive and go on homicidal rampages. A group of people at a desolate truck stop are held hostage by a gang of homicidal 18-wheelers. The frightened people set out to defeat the killer machines ... or be killed by them.
After four high school friends are involved in a hit-and-run road accident, they dispose of the body and vow to keep the incident a secret. A year later, they each start receiving anonymous letters bearing the warning "I Know What You Did Last Summer."
In this gritty cops-and-crooks drama, two detectives hunt a gang leader suspected of murdering a New York cop. The detectives enlist the help of the dead cop's partner, who is also the brother of the gangster. There's nothing civil about this war that has two brothers squaring off against each other. The strong cast includes Mario Van Peebles, Ray Sharkey and Peter Boyle.