Presents the further adventures of a motorcycle-riding mouse who goes to school and becomes the instigator of an investigation of rodents and the peacemaker for two lonely boys.

Chester and Wilson share the same exact way of doing things, until Lilly moves into the neighborhood and shows them that new ways can be just as good.

Owen's parents try to get him to give up his favorite blanket before he starts school, but when their efforts fail, they come up with a solution that makes everyone happy.

Penny comes home from school eager to share her very own song, but must wait until the time is right to teach it to her parents and the babies.