A mouse named Wemberly, who worries about everything, finds that she has a whole list of things to worry about when she faces the first day of nursery school.

A mouse named Wemberly, who worries about everything, finds that she has a whole list of things to be anxious about when she faces the first day of nursery school. Un ratón llamado Wemberly, que se preocupa por todo, descubre que tiene toda una lista de cosas por las que estar ansioso cuando se enfrenta al primer día de guarderá.