After Homer suffers a garage-door-to-the-throat incident, Marge is pressured into buying life insurance for the entire family. Much to her surprise, she finds out that Homer is uninsurable and resorts to cutting costs across the board in the household. Homer is convinced by his buddies that Marge is trying to make all financial decisions, so in an act of defiance, he buys an RV. This reckless act infuriates Marge, causing a divide between the two and ultimately forcing Homer to live in his new RV. Determined to save their feuding parents, Bart and Lisa steal the RV in hopes of returning it for a refund, but are instantly faced with obstacles.