Eight well-fed, much-loved dogs out with their owners on Dartmoor gambol, chase and play, unaware that a deadly menace is in the area. Murgatroyd, the bloodhound, is disturbed by a scent which awakens deep instinctive forebodings. Later, the dogs encounter an enemy, more dangerous than their owners had thought of; and not just to dogs! This is the second adventure of the dogs of Yealmpton.