Shaun, a mischievous sheep living with his flock at Mossy Bottom Farm, is bored with the routine of life on the farm. He concocts a plan to have a day off by tricking the farmer into going back to sleep by counting his sheep repeatedly.

However, the caravan in which they put the farmer to bed accidentally rolls away, taking him into a city. Bitzer, the farmer's dog, chases after him. The farmer receives a blow to the head and is taken to a hospital, where he is diagnosed with amnesia. Upon leaving, he wanders into a hair salon and, acting on a vague recollection of shearing his sheep, cuts a celebrity's hair