Sally leads a blissful life with her mum, dad, and her cute pup Fluff. Whether it's playing fun games or snuggling up to bedtime stories, Sally feels like the luckiest girl alive. But this happy little world is about to spin on its head! When Sally's parents announce a new baby brother or sister is coming, she is NOT pleased. Sally loves their family just the way it is already! Why does it need to change? As everyone gets swept up preparing for the baby, Sally starts to feel left out and upset. Then comes the big day. When little baby Max arrives from the hospital, Sally decides this newcomer is going to ruin everything! The loud cries, smelly nappies and 3am feedings are the last straw! Sally sulks, certain she will NEVER like this baby business. But could Max's toothless little smiles and cuddly hugs start to melt Sally's resentment? Will Sally realize that being a big sister brings joys and laughter too? Sometimes change isn't so scary after all!