Shaun the sheep is tired of doing the same work at the farm everyday. He decides to take a day off. In order to do that, he needs to make sure the farmer doesn't know. When more happens than they can handle, the sheep find their way in the big city. Now they need to get back to the farm.

Lenny Parker, a mysterious stranger becomes the landlord of a local pub. A ruthless gang who work for local businessman Ray Gleeson decide they want to take over the pub, spurred on by the fact that Lenny's barmaid Terri is the ex of Ray's psychotic son Dominic Gleeson. Dominic is out for revenge after being neglected by Terri, Lenny is the only obstacle standing in his way as Terri and her daughter Peewee find themselves drawn to Lenny. When Dominic and the gang go too far and attack Terri, Lenny is forced to face his darkest fears and go back to his old ways to protect his pub and newfound family - but how far will he go?

When the Farmer and Bitzer go to a Country Fair, Shaun steals away with them intent on causing mischief. Besotted by the exotic creatures he spots at auction, Shaun cleverly gets the unwitting Farmer to buy them. Back at Mossy Bottom Farm, Shaun is delighted with his prank and convinces the flock that the llamas are just what they need to spice up their lives. At first everything's great fun, but soon their new llama room-mates get a bit too comfortable in their new home. When things spiral out of control, Shaun is forced to take action to oust the intruders and save the farm.

Three misfits embark on a weekend they will never forget.