Spencer is a gentle church mouse who is used to a quiet life in the country. No one had been in the church for a long time and Spencer was content. But suddenly a loud thuds broke the silence and the building lurched from under him. A big machine was lifting his church house up, up, up, and away. Spencer had seconds to decide whether to stay safely behind or embrace the adventure of a lifetime. He hoped for the best as he leapt into the air and scrambled back into the only home he has ever known. What adventures await him? How will this well-mannered country mouse fare when he meets his field mouse cousins?