A lord returns to his manor with his new wife, to hear rumours that he had already secretly returned and had committed several murders. Has he lost his mind, or is something dark afoot ?

King Arthur learns one of his knights is plotting to take over and marry his daughter. After the King's death, the Knight wishing to marry the princess is ordered by the great wizard Merlin to remove the sword from the scabbard and prove his right to the throne.

Scottish highlander Jamie Durie falls into a life of piracy after joining the failed rebellion of Bonnie Prince Charlie against the British crown.

After losing their father in the Boer War, orphaned brothers Harry and Davy must leave their home in Scotland to live with their grandmother and cantankerous grandfather in Nova Scotia. The boys want nothing more than a pet dog, but their grandfather refuses to get them one. Then, when the brothers find an abandoned baby, they decide to keep it – but the foundling may not have been abandoned after all.

While in London trying to nab several fugitives who stole a million dollars from a U.S. Treasury vault, American federal agent Dennison (Dennis O'Keefe) assists Scotland Yard Insp. McClaren (Philip Friend) in his search for a missing atomic scientist (Paul Hardtmuth). The detective duo discovers that the key to solving both cases may rest with the scientist's daughter (Margaret Sheridan) and her fascinating diamond.

An English spy (Tom Adams) guards a Scandinavian scientist (Karl Stepanek) who has sold an anti-gravity device to each side.

Jean and Bill are a married couple trying to scrape a living. Out of the blue they receive a telegram informing them Bill's long-lost uncle has died and left them his business—a cinema in the town of Sloughborough. Unfortunately they can't sell it for the fortune they hoped as they discover it is falling down and almost worthless.

Sir Walter Scott's classic story of the chivalrous Ivanhoe who joins with Robin of Locksley in the fight against Prince John and for the return of King Richard the Lionheart.

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.