It's a busy time of year for all the animals in Acorn Park but as Harry Hedgehog, Milton Mouse, and Raymond Rat venture out one crisp, autumn evening, they couldn't kw the danger that lay ahead. The animals of Acorn Park realised their safe haven was at risk the night a gang of villaius grey squirrels moved in. Could the peace and tranquillity of the Park survive or would it be lost forever ...?