Family drama about a sheepdog puppy called Mist, who is one of three pups born at Borough Farm. From the moment that she opens her eyes she knows that one day she wants to become a real sheepdog. But things are not as straightforward as she might have hoped: she finds her training with the boss confusing, and when she tries to impress him with her newfound skills she only gets into trouble. Then there's a field full of gruff and grumpy rams to deal with, and an auntie who doesn't seem to 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?