Mother mouse and Daddy mouse and their two children, lived under the station. They were very happy there. Many mice lived under the station and each family had their own little home. But during the war, the station was bombed and they had to move to the countryside. The city was getting deserted, everybody was moving to safer places. And there would soon be no food.
At the farm there was many dangers. Especially the farm cats were always on the lookout for little mice.