Mousie Brown is an energetic, mischievous little mouse who has a passion for football! With every opportunity he can find, he will kick anything he can get his small foot around - an acorn, a pinecone, and even a stick, especially against the wall of his house. Mum's not happy and after multiple tellings-off, Dad decides to take him for a walk. However, it is during this walk that Mousie Brown soon finds out his excitable hobby has led to unfortunate consequences! But what has happened? Afterwards, he learns that there is a local football team, and his adventure leads him to a football pitch he has never seen before. How will Mousie Brown react when he sees it? What will the manager say when Mousie Brown asks to be on the team? Will this lead to a new adventure for him or will he be stuck kicking acorns?