Overview: The stakes are high on this episode of Trading Spaces because our homeowners aren't just neighbors — they're sisters! Designer Frank Bielec helps Joy and her husband bring her sister's kitchen/dining room out of the 1980s and into the 21st century. Down the street, sister Jill and her husband, John, are working with Laurie Hickson-Smith to add European flair to Joy's living room. Carpenter Ty Pennington assists in this good-natured sibling rivalry by building an island for the kitchen and a giant storage unit for the living room. Is blood really thicker than water? Find out on Trading Spaces!