Professional assassin Chev Chelios learns his rival has injected him with a poison that will kill him if his heart rate drops.

The crew of the ship Serenity try to evade an assassin sent to recapture telepath River.

A rich heiress and her friends head for a weekend of fun at her isolated ranch house in the middle of no man's land. They soon find that the caretaker's dark past, has taken him down a bloody killing spree.

A website manager enlists the help of his two friends in order to convince the owners of his favorite coffee shop -- which doubles as his office -- not to turn their business into a bar.