It's 1971 and Jodie (Michael Berry) embarks on a self-searching road trip into rural California, trying to figure out if he wants to become a lawyer like his dad. While stopped near a pond to enjoy lunch, Jodie encounters Melissa (Emby Mellay), a pretty and rather eerie young woman who lives on a nearby walnut farm with two older people who appear to be her parents, along with an ancient crone who periodically commits murders that the family covers up. Melissa aggressively puts the moves on Jodie, blatantly attempting to lure him into staying forever, which her "parents" do not seem at all thrilled about, and as he sticks around foir a few days, Jodie slowly notes just how weird the family is, and how the town's locals openly fear and shun Melissa because they all know she is a witch. When a disbelieving Jodie asks why they think she's a witch, Melissa nonchalantly responds with "Because I am."
At first skeptical, Jodie soon comes to believe Melissa's assertion, especially after experiencing a flashback outlining how her older sister was going to be burned at the stake by torch-wielding locals until Melissa made a pact with the Devil to save her sister. That was over a century ago, and now Melissa is 127 years old, but not looking a day over her mid/late 20's, while her sister is cursed with being an insane crone with homicidal tendencies who is impossibly old and decrepit, but cannot die. The only way for Melissa to be freed from her bargain with darkness is to have sex with Jodie, but once the beast with two backs is inevitably made, Melissa physically accelerates to her true age, and with no other way to save her, Jodie makes the ultimate sacrifice...
Like many others, I had never heard of THE TOUCH OF SATAN until it aired as fodder for MYSTERY SCIENCE THEATER 3000 mockery, but as I watched it in that showcase, I added it to my short list of films that did not deserve that treatment. Sure, it's slow-moving, suffers from wooden performances by unknowns, offers only the most meager displays of witchery, features ludicrous and poorly-delivered dialogue, and features not even two seconds of scares, but the overall concept was solid and would have benefited from a larger budget, more assured direction that didn't look like a bland run-of-the-mill made-for-TV movie (despite the cinematographer later going on to shoot BLADE RUNNER).
From the MYSTERY SCIENCE THEATER 3000 version: an example of the awful dialogue.
It came out three years after the success of ROSEMARY'S BABY and two years before THE EXORCIST opened an international floodgate of "devil junk" cash-ins, so its conceptual merits stood no chance of being remembered in the in-between space separating the tale of a woman facing the ultimate betrayal and being used as Satan's broodmare and the matter-of-fact super-graphic depiction of a 12-year-old girl's degradation and transgressions while possessed by a nasty Assyrian demon. It has a certain. amount of heart and originality, but there's no real spark here or any moment in which it indelibly burns itself into the viewer's memory. That said, it's definitely worth a look as a mild satanic curiosity.