Sean S. Cunningham

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.

Two sets of two college guys spend a spring break together in Fort Lauderdale, Florida. There they have lots of fun in and out of the sun.

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.