Hercules (Gordon Scott) sets out to save the city of Troy from a horrible sea monster. Meanwhile, the city is threatened by a different kind of monster--a smarmy politician who will stop at nothing to seize the throne.
A group of mismatched people try and capture another group with the use of spears and bows and arrows. They turn them over to SCUBA divers. This B&W movie was shown on TV as a Euro-Spy movie.
