Set in German-occupied Norway, this is an embellished account of the remarkable efforts of the Norwegian resistance to sabotage the German development of the atomic bomb. Resistance fighter Knut Straud enlists the reluctant physicist Rolf Pedersen in an effort to destroy the German heavy water production plant near the village of Rjukan in rural Telemark. In the process, Pedersen discovers that his ex-wife Anna and her uncle have also joined the resistance. British commandos dispatched to destroy the plant are killed when their glider hits the mountainside at night. An improvised raid by the resistance ends in the partial destruction of the heavy water canisters, but the contingency plans of Reichskommissar Terboven enable the Germans to resume production quickly. Pedersen wants to recommend to London that the Allies bomb the plant. Straud opposes him because of the potential death toll on Norwegian civilians and a fight ensues. They send in separate recommendations, and the air raid ... Written by Peter Grosvenor

In the English Channel John Sands, captain of a small rescue ship, finds the freighter Mary Deare drifting. Although there's only a little fire, the whole crew seems to have left the ship. John's already looking forward to a large salvage fee, but then he finds first officer Gerald Patch still on board, who sends him away. Although he doesn't understand yet what happened on the Mary Deere, Sands allows Patch to persuade him not to talk about what he saw on board and to drag out the official investigation of the incident.

WWII, in a British disciplinary camp located in the Libyan desert. Prisoners are persecuted by Staff Sergeant Williams, who made them climb again and again, under the heavy sun, an artificial hill built right in the middle of the camp. Harris is a more human and compassionate guard, but the chief, S.M. Wilson, refuses to disown his subordinate Williams. One day, five new prisoners arrive. Each of them will deal in a different way with the authority and Williams' ferocity.

In Victorian England, the uncle of orphaned niece Flora and nephew Miles hires Miss Giddens as governess to raise the children at his estate with total independence and authority. Soon after her arrival, Miss Giddens comes to believe that the spirits of the former governess Miss Jessel and valet Peter Quint are possessing the children. Miss Giddens decides to help the children to face and exorcise the spirits.

Travellers on a trans-European train are delayed for a night due to bad weather in a small fictional country called Mandrika. The passengers cram into the small village hotel where socialite Iris Henderson meets an old governess called Miss Froy. Shortly after the journey restarts, Miss Froy disappears.