The adventures of a loveable family of buses who live in the small town of Chumley, in the heart of the country-side. As they chat and argue, joke and tease one another, the buses go about their daily duties, and help each other out of all kinds of scrapes.
Late one night, Sammy decides to take the road that travels through Chumley Park to reach home but comes across something he has never seen before; something big, loud, and alive!
