The armaments production programme is being sabotaged by a gang of Germans. A few arrests are made but the destruction of a vital plant goes on. Test pilot 'Bulldog' Bill Watson plunges head... Read allThe armaments production programme is being sabotaged by a gang of Germans. A few arrests are made but the destruction of a vital plant goes on. Test pilot 'Bulldog' Bill Watson plunges headlong into the mystery.The armaments production programme is being sabotaged by a gang of Germans. A few arrests are made but the destruction of a vital plant goes on. Test pilot 'Bulldog' Bill Watson plunges headlong into the mystery.
