Mist is one of three pups born at Brough Farm. From the moment that she opens her eyes, her dream is to become a real sheepdog. But things are not as easy as she might have hoped. Training with the boss is confusing, and then there's a bunch of gruff and grumpy rams to deal with, and an auntie who may not always have her best interests at heart. Can Mist really learn her craft and one day prove herself worthy of a place in the team of sheepdogs at Borough Farm?