Shaun the Sheep Movie follows the story of a mischievous sheep who, tired of the routine of life on the farm, hatches a plan to take a day off. He and his fellow sheep disguise themselves as humans and venture into the big city. However, their excitement quickly turns into chaos as they get caught up in a series of hilarious and unexpected mishaps. With the farmer in hot pursuit and a wily animal control officer on their tail, Shaun and his friends must rely on their resourcefulness and teamwork to find their way back home and out of trouble.

When an alien creature arrives on Shaun the Sheep's farm, the mischievous sheep must embark on an adventure to help the alien find her way home, all while trying to avoid the attention of a determined UFO investigator.