Ace and her pup, Koa, are off to the playground one day, when the skies are blue and the weather is nice. She's excited to have a good time and play with her friends. The monkey bars are a challenge for Ace, but she's ready to conquer her fear. She imagines them stretching across the land, a test of her courage. When she starts, she's going strong-until suddenly her grip slips, and she falls. Now her knee is scraped; what will she do? Fortunately...