An American businessman with a stake in a pharmaceutical company that's about to go public finds his life is thrown into turmoil by an incident in Mexico.
A group of friends fight for their lives against bloodthirsty creatures lurking in an underground military base.
Ellen is sleeping with her ex-boyfriend while trying to ignore the fact that he's looking for more than just sex. Her roommate, Patrick, isn't helping matters with his secretive and jealous behavior.
