Hercules and the Princess of Troy: Superstrong hero Hercules, aided by young Ulysses and scientific wit Diogenes, journeys to Troy, where the citys virgins are being sacrificed to a horrible sea monster. When Princess Diana, heir to the Trojan throne being held by her evil uncle Petra, is selected to become the sea monsters next victim, Hercules must battle the monster - and Petras warriors - in order to save her.