Realising that Bitzer has a series of whistles which can control the flock's movements, Shaun steals them and soon has the flock dancing to his tune. When the Farmer finds the whistles stuck together like a harmonica, his dreadful playing gives Shaun a taste of his own medicine. 

With the Farmer and Bitzer out at the Golden Tractor Awards, the flock take the chance to enjoy all the mod cons of the house – until they overload the power and the house is plunged into total darkness. When the Farmer returns, the flock must escape the house without getting caught.