Lucy & Ricky are off to sunny California for his latest motion picture, and rent their home to Danny Williams (Danny Thomas) and family. When Ricky's picture deal falls through, suddenly the Ricardo's are without a place to live. The Mertz' offer their home, and the two couples are now housemates. Unfortunately, Lucy becomes up in arms regarding the way the Williams are using their home, and soon makes a pest of herself. Culminating in a snow fight, the matter is finally settled in court.