It's the seventh week for the elite athletes competing in the ultimate sports competition, and boxing is the featured sport. Sport leader Sierra will have to train her fellow athletes for the main event in just three days. Last week's track cycling controversy still lingers but the athletes decide to move on and focus on the upcoming competition. Phoebe can't relate dance to boxing until she has a chat with the sport star. A shocking announcement is made before training is done, and a friendship is tested in the ring.