Build a movie plot around this: Ronald Drake is the nephew of whom? Lady Arabella Stevens
THE INVISIBLE RAY synopsisDiane Rukh (Frances Drake) stares out the window from their home in the Carpathian Mountains upon the road below. Mother Rukh (Violet Kemble Cooper), seated in a chair, inquires whether her son Dr. Janos Rukh (Boris Karloff) is still working in his lab. Diane confirms this, saying that he is preparing for the delegation of scientists due to arrive from England. Rising from her chair with help from Diane, Mother Rukh comes to the window with her cane.She tells Diane that on a day like this her son Janos discovered the ray from Andromeda while working with his late father. It was holding the lens during that discovery which caused her permanent blindness. They discuss the brilliance of Janos and how he was rejected by other scientists and called a charlatan. Diane says she was told to watch for the headlights coming and notify Janos. Mother Rukh returns to her seat and Diane looks out the window again. Seeing the car approaching, she announces that she will go tell her husband. She dons her cape and goes through an outer walkway to another building where she rings a bell and enters. Coming into the lab, she tells Janos (who is gazing through a large telescope) that the visitors are arriving. He says he is ready and confident.The car pulls up and several people get out and enter the house. Diane greets Lady Arabella Stevens (Beulah Bondi) who introduces her husband Sir Francis Stevens (Walter Kingsford), Dr. Felix Benet (Bela Lugosi) and her nephew Ronald Drake (Frank Lawton). They are introduced to Mother Rukh who speaks but remains seated. Janos enters and greets each one and is greeted by Lady Arabella who presents her nephew Ronald who she says is a mapmaker and will be valuable to the work in Africa. Janos tells them he has a presentation to show them.In the lab, he shows his telescope, explaining and showing a device which will capture a ray from Andromeda containing pictures and information from thousands of years ago. Dr. Benet looks at Sir Francis with a knowing look of doubt...