John Croydon

An architect, visiting an English country house, realizes the other guests are familiar from his recurring nightmare. When they share their tales of the supernatural, he is filled with a growing dread.

The quiet village of Bramley End is taken over by German troops posing as Royal Engineers. Their task is to disrupt England's radar network in preparation for a full scale German invasion. Once the villagers discover the true identity of the troops, they do whatever they can to thwart the Nazis plans.

A researcher investigating a notorious serial killer who was hanged 20 years earlier seemingly becomes possessed by the long dead strangler.

In 1870, a Jamaican colonial family sends its children to Britain for proper schooling, but their ship is taken over by pirates, who become fond of the kids.

Bob Stevens awakens in a hospital with a gunshot wound to his head, and is told that he has been in Paris for ten days. However, this cannot be true because he insists that he crashed his plane and has no recollection of being anywhere for ten days. Bob decides to follow a note found in his jacket, to the woman who wrote it, "Miss D", and get to the bottom of the whole strange situation.

A lawyer's plan to break up his daughter's budding romance backfires when the boyfriend's father becomes involved.

A glamour model helps Scotland Yard to catch a criminal gang.

In 1840s London, Dr. Thomas Bolton [Boris Karloff] dares to dream the unthinkable: experimenting with anesthesia gases to make surgery pain-free. While doing so, his demonstration before a panel of his peers ends in a horrific mishap with his patient awakening under the knife; he is forced to leave his position in disgrace. To complicate matters, he becomes addicted to his own chemical experiments and gets involved with a criminal gang led by Black Ben [Francis de Wolff], and a ruthless killer Resurrection Joe [Christopher Lee]. Unfortunately, this shady partnership leads Dr. Bolton to further ruin, culminating in his unwitting participation in murder — for which he becomes the first victim of a blackmail scheme.