A police detective uses his girlfriend to track down a homicidal maniac.
Conceited singer Garry Mitchell refuses to renew his radio contract, so agent Doug Blake decides to find a new personality to replace him. In New York, he finds Martha Gibson, a single mother with a great voice. He arranges for her to move to Hollywood, but then has a problem trying to sell her to the show's sponsor. Doug tries every trick he can think of to make Martha a star, and as the two work more closely, he falls in love with her. Complicating matters further, Martha meets and becomes attracted to Garry.
A millionaire's brain is preserved after his death by a scientist and his two assistants, only to create a telepathic monster.
