Strangers and Brothers

Episode 8 (1x8)

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It's spring 1944 and the atomic project continues but the team has been unable to generate a controlled chain reaction. They struggled through and finally achieve success but it will be months before they generate sufficient plutonium to make a bomb. One scientist, Erick Sawbridge, comes under suspicion for his left-wing leaning and Communist party membership while at university. A lab accident leaves Sawbridge and project director Walter Luke with severe radiation burns.