Peg Platypus is training for the upcoming platypus dash coming to Kangaroo Creek. She is determined to win it for the first time. When Mog and the cats learn the prize is a boat, they hatch a plan to win the race themselves. Meanwhile, Peg is fed up with being in the shadow of her older brother Pete, who is the best swimmer in the valley. When Peg discovers a chance to get an advantage over Pete, will she put the race before her family?