As trustee of her father's foundation for unusual inventions, Molly Abberwick of Seattle hires Dr. Harry Trevelyan, a top scientific consultant, only to have him propose--in a scientific and detached way--that they embark on an affair for mutual pleasure. Molly is outraged, but Trevelyan's good looks make her delay firing him. Just as well, because when a stalker appears, it is Trevelyan who comes to the rescue.