A gangster known as "Samurai" wants to turn the waterfront of Rome into a new Las Vegas. All the local mob bosses have agreed to work for this common goal. But peace is not to last long.

A brave scientist has been studying thousands of cases related to alien abductions. By placing abductees under hypnosis, he arrives at the unsettling discovery that for thousands of years, a variety of extra-terrestrial races have been installing their active memories in abducted people's brains. These alien races exploit a powerful source of energy that only humans have: the Soul.