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. The twins are trying to train Toby to be a good sheepdog, using Speckle as a role model. But rather than herding sheep Toby chases them and generally behaves like a silly nuisance. Can the twins train him properly before the local farmers lose their patience with him?