Time Conqueror (1987)

Kamel is a journalist, one day his cousin tells him that patients are disappearing from one of the hospitals and that he wants to uncover the mystery behind this, but when his cousin disappears also in mysterious circumstances, Kamel starts uncovering the mystery behind his cousin's disappearance as well as the other patients. His search leads him to a famous doctor that lives alone with his daughter in secluded house outside the city.