Tommy and Katie are world-class triathletes who are busy competing and traveling the world, but since they've never actually settled into a home of their own, when they're not competing they split their time couch surfing between coasts. They've asked John and Zack to help create their first home and make it a space that gives them both a cozy place to come back to but can still function as a space to train in between competitions. With so much gear and their many prized bikes, John may have to turn this pare down into an Olympic sport if they're ever going to accomplish going tiny!