Max Caret

Journalist Mike Harway decides to help his friend Christine in her search for her father, professor Baker, mysteriously disappeared. The investigation brings them to Africa, where as they're traversing a deserted are they're captured and brought to the El Faium abandoned fort. It now hosts a laboratory designed by the twisted mind of Devilman, who dreams of swapping his natural brain with an artificial one that will make him perfect. Very soon prof. (imdb)

A psychiatrist begins to investigate a string of murders and finds that they are connected to subliminal television signals formulated by a criminal mastermind.