The ruthless Roman tribune, Vadio, joins forces with the evil Morakeb to take over the throne of Aristea, usurping King Krontal and stealing away his lovely daughter in the process. Meanwhile, Marco Aulo, now a Roman centurion, comes to Aristea to learn where his legions war funds have gone. Vadio has him framed for treason and is thrown into the arena to fight a group of six formidable gladiators. During the fights, Marco refuses to kill those he defeats until finally, he himself loses after exhaustion takes its toll. Admiring this man, the six warriors join him and together they escape Vadio's clutches and plot to free the kingdom from the two conspiring killers. Edited from Mole Men Against the Son of Hercules

Jorge Martin is relentlessly stalking a gang of outlaws led by the ruthless Slim who raped and murdered his bride.

Aliens from the constellation Hydra crash-land on the island of Sardinia. A prominent scientist, his daughter, several young technicians, and a pair of Oriental spies are taken hostage by the beings so they can use them to repair their spaceship's broken engine. With that done, they take off towards their home planet, taking the earthlings with them. However, the humans attempt to mutiny against their captors, inadvertently sending their tiny spaceship hurtling into the infinite beyond...

During the War of Succession, Franco and Ciccio are arrested for being accused of desertion from the Northern army. Rather than condemn them to death for his carelessness, they will be chosen for a special mission: to infiltrate as expert officers on a delicate espionage action.