Sydney Seaward

A frightened woman is murdered in the London apartment of a well-known novelist named Henry Leroux. The police arrest Leroux's butler, but he escapes and runs off to a mysterious opium den, the lair of a drug dealer named Mister King. Gaston Max, a detective from Paris, arrives in London to investigate the drug trafficking. Although the police take down the gang, Mr. King escapes and manages to keep his true identity a secret.

The Dauphin's widow weds a lord and is executed for plotting against the queen.

'Lady marries horse trainer but withholds herself until crippled brother is cured.' (British Film Catalogue)

In the Jacobite Rising of 1745, the Young Pretender Bonnie Prince Charlie leads an insurrection to overthrow the Protestant House of Hanover and restore his family, the Catholic branch of the House of Stuart, to the British throne.

A British submarine on patrol is accidentally rammed by a merchant ship, that tears a big hole in in sub which sinks trapping the crew.

JP Paul Machin poses as a fugitive along the Cornish coast to gain the trust of a local smuggling ring. As he integrates into their world, he works to identify the leader and bring the group to justice.