Robert Rendel

A disgraced officer risks his life to help his childhood friends in battle.

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 German submarine is sent to the Orkney Isles in 1917 to sink the British fleet.

An actor is murdered live on air whilst a play is being broadcast. Everyone in the play and broadcasting house fall under suspicion.

In 1588, relations between Spain and England are at the breaking point. With the support of Queen Elizabeth I, British sea raiders such as Sir Francis Drake regularly capture Spanish merchantmen, bringing gold from the New World.

Based on the novel by Edgar Wallace, detectives at Scotland Yard try and track down The Crimson Circle, a secret society of blackmailers

An impoverished British lord (Paul Menford) impersonates a doctor in order to woo an ailing American heiress (Dorothy Adams). The lord is in it for love, but his business associate (Joe Diamond) smells money.

Three sailors get drunk while on shore leave and end up on the wrong ship. When they realise their mistake they scramble off it and onto their warship, HMS Ferocious. However, they soon realise that the vessel they have boarded is not the Ferocious but a German battleship.