When Master Kim announces JoJo is ready to take the test for her yellow belt, butterflies start fluttering in her stomach. JoJo loves Tae Kwon Do, but can she really do a perfect flying side kick and break a board in two? Her family and friends offer all sorts of advice, but JoJo is scared of the tree outside of her window, which doesn't feel like yellow belt material. To push past her fears, JoJo has to learn to trust in herself.