Plot:
William Castle introduces the movie. In 1948, a brother takes his sister’s doll from her.
Years later, a blonde woman, Miriam Webster checks into a hotel. She flirts with Jim, the bellhop. Offering him $2000 to get married
if they annulled afterwards, Jim accepts.
That night, they drive into the country to an out of the way house. Meeting the justice of the peace’s house and getting married, Miriam
repeatedly stabs him to death and drives away. Down the road, she switches cars.
Plot specific news radio announces the death of the justice of the peace.
At a large house, Emily who was going by the name Miriam earlier, cleans her knife. She talks to Helga, the mute handicapped old lady
she’s taking care of, about the dead justice of the peace…In the morning, we get the feeling that Helga doesn’t trust Emily. Miriam stops
by. The verbal catfight between Emily and Miriam ensues.
Emily heads into town drugstore for strychnine. In the process she tries throwing herself at the druggist, Karl, Miriam’s boyfriend. Later
Emily sneaks into Miriam’s flower shop and trashes the place.
That night, when Karl stops by the place, he is knocked unconscious by Emily. Karl is roused by Warren, Miriam’s brother. He wants
Miriam to stay at the house.
Back at the house, Miriam talks to Warren about Emily. Apparently, Warren’s dad wanted his son tough. The estate will be turned
over to Warren in a few days where he gets $10,000,000 upon turning 21.
Late night, Miriam awakens and finds Emily watching her.
In the morning, Emily denies being in Miriam’s room. Emily does claim to have married Warren and threatens to kill Miriam.
Heading back to town, Miriam is questioned by the police. Jim doesn’t recognize her. The cop explains some woman used Miriam’s
name and killed a local justice of the peace.
Miriam tells Karl about Emily. Karl reveals how the flower shop was trashed. They decide to go and find out about if Warren and Emily
are married.
Karl and Miriam meet Warren. He explains how they’re we’re secretly married several months ago. Warren can’t believe that Emily is
a murderer. Karl wants to let the cops have a picture of Emily for a photo ID.
At the house, Emily has her knife sharpened. It just Emily and Helga all alone…Just when she’s about to kill Helga, Dr. Jonas stops by
to pay a visit. Helga can’t communicate she wants the good doctor to stay very long. Emily takes Helga up the stairs and fade from this
scene.
The cop takes Karl to the bellhop who identifies the picture. Karl calls on Miriam.
Warren gets to Miriam’s shop. They decide to check on Helga. Warren has Miriam stay in the car. She still goes after him.
The Fright Break is the human heartbeat counter which will let the too frightened to leave.
Miriam heads into the house. Helga chair comes down the stairs, and her head rolls into the floor. Emily attacks Miriam. Emily is
Warren in a blonde wig? He’ll blame Emily for killing Miriam. However the cop is to the rescue. Miriam gets a hold of the gun and
promptly and quite righteously caps Warren.
Later, Dr. Jonas explains things. Warren was born before he got to the house. Warren’s mother and Helga masqueraded Warren
as a boy. Warren’s dad’s will left the entire estate to his son. The birth certificate had to be falsified by the county clerk who eventually
became the justice of the peace. Helga took Warren to Denmark where she had a stroke. Warren needed to get rid of the justice of
the peace, Helga, and Miriam, who’d inherit the estate. Warren created another personality to do the killing.