Chloe doesn't have any brothers or sisters. She doesn't know what to expect when mommy brings home the baby. She is excited to meet her new baby brother but is also scared that her parents won't love her as much. Chloe learns that being a big sister means sharing her parents with her new brother. She also realizes that she has a new friend to play with and can help take care of him. According to Chloe, being a big sister is a very important job.