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Miriam Monroe and John Conrad are two young scientific workers who, independently of each other, have discovered a chemical called exonite. Miriam discovered it while searching for a cure for cancer, while Conrad used it as a basis for a powerful explosive.
Top Cast
Ethel Barrymore as Miriam Monroe
William B. Davidson as John Conrad
Harry Northrup as Albert Bernard (as Harry S. Northrup)
Frank Currier as Randolph Monroe
William Black as Bradford Duncan
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