After a group of biologists discovers a huge network of unexplored caves in Romania and, believing it to be an undisturbed eco-system that has produced a new species, they hire the best American team of underwater cave explorers in the world. While exploring deeper into the underwater caves, a rockslide blocks their exit, and they soon discover a larger carnivorous creature has added them to its food chain.
Roberto, a shy law student in Rome, meets Bruno, a forty-year-old exuberant, capricious man, who takes him for a drive through the Roman and Tuscany countries in the summer. When their journey starts to blend into their daily lives though, the pair’s newfound friendship is tested.
Kitty runs a brothel in Nazi Germany where the soldiers come to "relax". Recording devices have been installed in each room by a power hungry army official who plans to use the information to blackmail Hitler and gain power himself. A girl named Margherita discovers the little ploy and with Kitty's help plans to take on the dangerous task of exposing the conspiracy.
