An erotic horror movie dedicated to Joe D Amato, Hyde's Secret Nightmare combines the two genres and mixes them in equal parts. Cross-cut erotic and horror scenes are kept together by a thread of dramatic force bordering on obsession, paranoia, phobia, perversion, and lack of self-acceptance. Everything unfolds in an extreme world where sex seems the only way to attain a state of well-being.
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.
Karate and K1 champion, Claudio Del Falco is ready for his last fight, a memorable event, followed live worldwide, with a prize money of 10 million euros. The enormous sum is tempting to Apha, the boss of a criminal organization who, while Claudio is busy fighting, breaks into his villa with his cruel and ferocious men to take his second wife, Camila, hostage, unaware that in the villa there is also the 14-year-old daughter Sara. When Claudio learns that Alpha is responsible for the death of his first wife, he secures Sara and decides to face the entire organization alone to take his revenge.
