Great Britain, 1944, during World War II. Relentlessly pursued by several MI5 agents, Henry Faber the Needle, a ruthless German spy in possession of vital information about D-Day, takes refuge on Storm Island, an inhospitable, sparsely inhabited island off the coast of northern Scotland.

Police sergeant Neil Howie is called to an island village in search of a missing girl whom the locals claim never existed. The investigation is further complicated as Howie’s religious views clash with those of the island’s residents.

During World War I, a German U-boat sinks a British passenger ship and takes the survivors aboard. After getting lost in fog, the submarine surfaces near the unknown island of Caprona, a lost world where they find dinosaurs and Neanderthals.

A couple of English tourists arrive at the island of Almanzora, off the Spanish Mediterranean coast, where they discover that there are no adults in a small fishing village, only some children who stare at them and smile mysteriously.

Prof. Erling and his financial backer Victor build a prototype time machine to snatch objects from the past. Latest find, a statuette, radiometrically dates to 5200 AD! When this draws colleague Richard Hedges to the island lab, Erling reveals that 20th-century objects put in the machine seem to be "traded" for analogous future objects...