A young man visits his fiancée in a remote French villa where her scientist father resides. There he meets Noel, Dr. Renault's mysterious assistant, who has a strange attraction to Renault's daughter. Soon he learns Noel's true identity: he is an ape that was turned into a man by Renault's bizarre experiments!
Dr. Renault's Secret
Dr. Larry Forbes visits the château of Dr. Robert Renault, uncle of his fiancée Madelon, who is idolized by Renault's assistant, a strange émigré from Java.
