Helen and Hannah are pleased as punch when their very own Speckle becomes a proud dad. But a trio of lively, loveable mongrel pups brings unexpected problems - and chaos to the twins' Lakeland home. Tess is the gentlest, most vulnerable of the three pups. A crisis occurs when Tess starts chasing dangerous farm machinery. When she becomes trapped the twins go for help but on their return Tess has vanished...