When a reporter is killed under mysterious circumstances, the political cartoonist on his paper begins to investigate on his own. He finds that a vengeful industrialist may be trying to manipulate an international peace conference to stage a bombing attack on London.

• Grosvenor Films Ltd.
• Charles Farrell
• Margaret Vyner
• Fritz Kortner
• Danny Green
• Wallace Evennett
• Monti DeLyle
• Dino Galvani
• Arthur Finn