'There is no good flock without a good shepherd, and no good shepherd without good dogs.' These age-old words of wisdom have always guided Devon sheep farmer David Kennard.But as he battles to save his farm from extinction, they resonate more loudly - and unexpectedly - than ever.The storm clouds are already gathering when Borough Farm suffers a succession of potentially disastrous setbacks.Suddenly the Kennard family's idyllic life is under threat.Will David achieve the seemingly impossible and make a living through farming sheep in the 21st century?As he fights for survival, David knows he will be able to rely - as always - on his faithful sheepdogs but even he is surprised when the dogs prove to be Borough Farm's secret weapon...