Rome, 70s. Rocco and Antonia, high school students, meet during a political rally. The two young people share age, political ideas, dissatisfaction with their parents. Moreover, by attending, they realize they have fallen in love. It is the discovery of sex and passion. After some time, however, their relationship goes into crisis.

A group of cave explorers are confronted in an underground cavern by a mysterious living rock. Little do they know that it bears home to deadly, flesh-eating creatures, intent on wiping out the entire human population. An ultra low-budget, unofficial and unauthorized sequel to the 1979 film Alien, although the plot has little connection to the original film.