Bruno Cortona and Roberto Mariani meet by chance as Roberto helps Bruno one day while everything is closed in Rome for the holiday weekend. The two men could not be more different. Thirty-six year old Bruno is extroverted, a man who seizes opportunities as they arise, is an excitement seeker, has never really grown up, but is a person to who many are drawn because of his exuberance and masculine good looks. Law student Roberto is introverted, controlled and so unsure of himself that he doesn't really know why he chose law as a career and is afraid not only to let the girl who lives across the way from him, Valeria, know that he likes her, but even to speak to her. He even has a photograph of her in his wallet that he took clandestinely. Roberto reluctantly gets caught up in the whirlwind of Bruno's last minute change in plans for the holidays as the two head off together in Bruno's Lancia Aurelia sports car, their joy ride which will be largely at Bruno's whim. That reluctance is ... Written by Huggo

Maciste arranges for himself and his new friend Bangor to be captured by a mysterious band of white-clad marauders and taken to an underground city. There the two are forced to turn an enormous wheel along with other captives as part of a gold-and-diamonds mining operation. The underground city's queen, Halis Mosab, takes note of the handsome, muscular Maciste and chooses him to be her consort if he can meet such challenges as saving the kidnapped Princess Saliura from a gigantic ape. Maciste kills the ape and carries Saliura back to the aboveground world. The white-clad marauders can't follow them if it means being caught in the sunlight which instantly dissolves them. Maciste then returns to the underground city to save the other captives. Meanwhile, high priest Kahab informs his son, Katar, that their queen is not one of them but, unbeknownst to her, was kidnapped as a small child from the "world above." If Katar can marry her...