Bulldog Drummond is contacted by a Mrs Harriet Ludlow, wife of an old friend; her husband has invented a new antibiotic formula potentially worth a fortune, but he has been kidnapped and held for ransom. Drummond sets out to prevent the formula from reaching the hands of the villains -- with or without his client's co-operation!—Igenlode Wordsmith
Captain Hugh Drummond, better known as Bulldog Dummond, receives an urgent phone call from the wife of an old wartime friend. While driving to keep the appointment, the windscreen of his car is shattered by a bullet. Why does his mysterious assailant wish to prevent him from keeping his appointment?—GusF
