Danger Signal

After robbing and murdering his married lover and then making her death look like suicide, conniving philanderer Ronnie Mason (Zachary Scott) relocates to Los Angeles. Under a new identity and claiming to be a writer, Ronnie finds lodging at the home of Hilda Fenchurch (Faye Emerson) and her mother. He woos Hilda, knowing she has money, but when he discovers that Hilda's sister, Anne (Mona Freeman), has just inherited $25,000, he switches his attentions to her.