The Heavy Water War: Stopping Hitler's Atomic Bomb

Episode 2 (1x2)

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Leif Tronstad assembles a sabotage group named Grouse. The aim is to assist the British commandos to blow up the water plant at Vemork. In Germany, Werner Heisenberg continues his work on the atomic reactor. Grouse is dropped over Hardangervidda and prepare a landing for the Englishmen.