Junie B. Jones has finally figured out exactly what she wants to be when she grows up, but her new career path is about to cause a major hairy disaster. After tagging along with her dad to the local beauty shop, Junie B. is completely fascinated. She gets to help sweep the floors, watch the washing sinks, and see the stylists work their magic. It is the most glamorous place she has ever seen, and she instantly decides she is going to be a beauty shop guy when she gets older. But every great professional needs to practice their skills first. Armed with a pair of scissors, Junie B. sets out to find some willing volunteers. When her bunny slippers and her dog do not make the best clients, she decides to practice on the only person left: herself! Get ready for the worst hair day in kindergarten history as Junie B. learns that cutting hair is much harder than it looks.