简介：Some time after the Mousekewitz's have settled in America, they find that they are still having problems with the threat of cats. That makes them eage

简介：小老鼠伟福与家人自从上次移民美国，遭遇连串惊险有趣经历，总算吉鼠天相平安无恙两年后伟福的姐姐16岁了，出落得漂亮可人，梦想当一名著名女歌手，而伟福则盼望往西部冒险，成为强悍的执法英雄。城内有一批胡作非为的猫K党，首领乌鸦猫策划「制造老鼠汉堡饱」阴谋，把众多老鼠诱至西部当大餐，而伟福也跌入圈套踏上西部