When legendary hunter Bob Rainsford is shipwrecked on the perilous reefs surrounding a mysterious island, he finds himself the guest of the reclusive and eccentric Count Zaroff. While he is very gracious at first, Zaroff eventually forces Rainsford and two other shipwreck survivors, brother and sister Eve and Martin Towbridge, to participate in a sadistic game of cat and mouse in which they are the prey and he is the hunter.

The film is a historical drama set during the reign of Elizabeth I (Flora Robson), focusing on the English defeat of the Spanish Armada, whence the title. 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.

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.

While vacationing in St. Moritz, a British couple receive a clue to an imminent assassination attempt, only to learn that their daughter has been kidnapped to keep them quiet.

In early 19th-century Cornwall, young Mary Yellan travels to live with her aunt and uncle at the remote Jamaica Inn, where she discovers the inn is a front for a violent gang of wreckers who lure ships to their doom along the coast. As she becomes entangled in their crimes, Mary must fight to survive and uncover the truth behind the terror that haunts the moors.

An engineer leads the building of a trans-Atlantic tunnel linking Britain and the United States.

As the Germans drop explosive booby-traps on 1943 Britain, the embittered expert who'll have to disarm them fights a private battle with alcohol.

After Larry Darrent accidentally kills his lover's blackmailing husband, someone else is arrested for the crime. When he is found guilty, Larry and Wanda have just three weeks together before he must give himself up or let an innocent man go to the gallows.

A wealthy lord dies and is entombed with a valuable deposit of jewels. Seven keys are required to unlock the tomb and get hold of the treasure. A mad doctor uses an iron maiden to systematically eliminate the heirs to the fortune.

Madeleine's middle-class family cannot understand why she puts off marrying a respectable young man, as they know nothing about her long-term affair with a Frenchman.