In the countryside, Boots is enjoying a peaceful walk when he is disturbed by an ear piercing screech. BH, the bloodhound, has heard it too. Wellington has a silent dog whistle, which he thinks, doesn't seem to be working on anyone but Marlon. He finds the dogs himself and discards the whistle. Boot picks it up and blows, frightening a duck out of the sky, which lands on top of him. Boot swallows the whistle by mistake and the end of it dangles from his mouth. Disconsolately, he returns home, unable to eat or woof. Poor Boot, not even sausages tempt him. Wellington, however, believes that Boot has stolen his whistle and pulls it from the dog's mouth. For a better effect, Wellington tries out the whistle, now powered by bellows which sends the dog up onto the roof. Wellington believes that he just can't get the dog's attention when the guttering gives way and Boot lands on top of Wellington.

BH has failed his Bloodhound tests. He lost his sense of smell when he overdosed following a curry eating elephant. Boot decides to help his friend using various forms of therapy. Will they work? BH manages to follow Boot over a rough trail. Next time they decide, they'll try it when they are not tethered together.