Jimmy Doherty embarks on a quest to reveal the hidden lives of farmyard animals. He visits a farm in Devon to find out about cows. They are taken for granted but what really goes on inside their brains?
Jimmy tries to find answers to questions such as how does a cow work out who is the boss? Why have 1,000 people been injured by cows in the last ten years? And why are cows so sensitive to sudden movement?