Dial: Help

A young man falls in love with a beautiful woman being chased by sinister masked figures at night. He tries to track her down, and learns she's being held captive by his father and colleagues who believe she's a vampire.

Inquisitive journalist Grace Collier is horrified when she witnesses her neighbor, fashion model Danielle Breton, violently murder a man. Panicking, she calls the police. But when the detective arrives at the scene and finds nothing amiss, Grace is forced to take matters into her own hands. Her first move is to recruit private investigator Joseph Larch, who helps her to uncover a secret about Danielle's past that has them both seeing double.

Leona Stevenson is confined to bed and uses her telephone to keep in contact with the outside world. One day she overhears a murder plot on the telephone and is desperate to find out who is the intended victim.