The crew of an experimental underwater nuclear base are forced to struggle for their lives when their explorations disturb a creature who threatens to destroy their base.

Young urban professionals Jesse (Arye Gross) and his girlfriend Kate (Lar Park Lincoln), move into an old mansion that has been in Jesse’s family for generations. They are soon joined by Jesse’s goofy friend Charlie (Jonathan Stark), who brought along his diva girlfriend Lana (Amy Yasbeck), in the hopes of being discovered by Kate, who works for a record company. Jesse has returned to this old family mansion after his parents were murdered when he was a baby. While going through old things in the basement, Jesse finds a picture of his great-great grandfather (and namesake) in front of a Mayan temple holding a crystal skull with jewels in the eyes. In the background is a man Jesse learns is Slim Razor, a former partner of his great-great grandfather turned bitter enemy after a disagreement over who would get to keep the skull.

When a humorous script-reader in her New York apartment sees an ad in the Saturday Review of Literature for a bookstore in London that does mail order, she begins a very special correspondence and friendship with Frank Doel, the bookseller who works at Marks & Co., 84 Charing Cross Road.

Camp counselors are stalked and murdered by an unknown assailant while trying to reopen a summer camp that was the site of a child’s drowning.