"The Tale of Squirrel Nutkin" is a children's story written by Beatrix Potter. It follows a young squirrel named Nutkin who is mischievous and playful. Nutkin and his friends visit Old Brown, a wise owl, to gather nuts. However, Nutkin's antics annoy Old Brown, leading to a series of humorous encounters. Throughout the story, Nutkin's curiosity and cheekiness get him into trouble. He disregards Old Brown's warnings and continues to tease him. Ultimately, Nutkin learns a lesson about respect and the consequences of his actions, making it a charming tale about adventure and growing up.