When locals begin disappearing in the Florida Everglades, a game warden makes a horrific discovery. Monstrous leeches are lurking beneath the depths of the swamp and slowly draining victims of their blood in an underwater cavern.
It's bedlam on the beach as a mutated reptilian creature slaughters coeds and surfers, leaving a loner named Mark to blame. As the creature lurks for its next victim, an oceanographer who gave up his science career for surfing works quickly to stop the monster before more bodies pile up.
An atomic research scientist is accidentally exposed to a large dose of radiation, and just as he is on the verge of a full recovery suddenly finds himself transforming into a hideous reptilian creature whenever he is exposed to the sun.
A mysterious object falls from the sky, injuring a young boy and killing his father. As the years go by and the boy becomes a teenager, he begins to transform into something monstrous, not of this Earth.
Starring Anne Gwynne and Stuart Wade.
DIRECTED BY JACQUES MARQUETTE
UNITED STATES | 1957 | ...