Two teen rival babysitters, Jenny and Lola, team up to hunt down one of their kids who accidentally runs away into the big city without any supervision.

The graduating class of the local high school is going on a luxury cruise with Jason Voorhees as a stowaway. The heroine Rennie Wickham believes she was almost drowned by Jason as a child. Jason eventually sinks the boat and kills many of the students on it, but many of them escape to Manhattan. A long battle with Jason ensues until Jason is washed away in the New York sewers by a midnight flooding of toxic waste.

Life is good for Jack, Carter and Harlan, three inept ne'r-do-wells who help run master dope-grower Malcoms flourishing marijuana plantation somewhere in northern California. But then Malcom is suddenly bumped off by a mysterious assailant, after a moment of panic, the naive trio decide to take over the business themselves. However, their lazy days on the dope farm have ill prepared them for the high-stakes game of finding buyers for millions of dollars of contraband. As they plunge into a shadowy new world of duplicity, double-dealing and danger, they soon find that they have gotten in way, way over their heads. But driven on by increasing greed and paranoia, it's too late to back out.