Sergio of Tula goes to Dubno to free Princess Mascia, who is prisoner of Queen Jassa, but he is seduced by the latter, who stirs his ambition by putting her army at his service to take King Stephen's throne.

1954 film by Giacomo Gentilomo

Maciste's village is attacked by pirates. The women, including Maciste's fiancee Guja, are carried off to Salmanak, where dwells the lair of the blood drinking Kobrak. Maciste vows to rescue them.

Hercules is summoned to oppose the evil Queen Samara, who has allied herself with aliens and is sacrificing her own people in a bid to awaken a moon goddess.