Nanuq is so excited when she finds out she is going to be a big sister! She thinks about all the fun things she will do with her new sibling. But when her baby brother is born, he cries all the time. Her parents are so busy with the baby, they don't have time for her anymore. Nanuq feels lonely. Is this really what being a big sister is like? See how Nanuq's friends help her understand that there are good things about being a big sister, too.