Iris can't wait for her baby sister to be born and is disappointed when she turns out to be very fussy, but a day with Grandpa, and a little time for the baby to grow up, help Iris discover she enjoys being a big sister after all.
Iris is excited about her first sleepover at her friend Walter's house, and plans a lot of activities, but when night finally arrives, her feelings change.
When Iris moves to the country, she misses the city where she formerly lived; but with the help of a new friend named Walter, she learns to adjust to her new home.