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.

• Rolfe Photoplays
• Ethel Barrymore
• William B. Davidson
• Harry Northrup
• Frank Currier
• William Black
• Cecil Owen
• Frederick Truesdell
• Redfield Clarke