The Invisible Ray
A certain form of radium that possesses healing abilities that are practically magical is discovered by Dr. Janos Rukh. However, the element also has a negative side, and it is already having an impact on Rukh. He becomes so consumed by paranoia that he starts to believe his wife is having an affair. Rukh concocts a lethal scheme in his rage, using his own poisoned body as a weapon to murder.
Released: 1936-01-20