In the 1950s, while the British conduct nuclear testing in the Australian Outback, loyalties are put to the test as the fallout from the atomic explosions becomes apparent. Shining a spotlight on controversial real events, this "blend of espionage thriller, political satire, and biting black comedy" (Variety) stars Ewen Leslie (The Cry), Jessica De Gouw (Pennyworth), and James Cromwell (Babe).