Tales from Sty-Pen: Swerlie-Wherlie and Bulfrey the Bull

With his new friend, Bulfrey the Bull. Swerlie-Wherlie the piglet, finds that they have to try and rescue Eulia the ewe’s flock, which has been stolen by two men with a sheepdog and taken to an old mill.
Fortunately, they have help from Izzzzzabela, the grass snake, Daisy and Buttercup from Bulfrey’s herd and Barney the owl.
They have to overcome the problem of getting into the old mill, then of trying to get the flock out safely.
Swerlie-Wherlie has an idea but can Bulfrey carry it out?
But first they have to make sure that the sheepdog is dealt with.
Can Barney be the one to do it?
Meanwhile, Cockie the Cockerel is quite cheerful. Why?