 The episode follows Peter after he discovers his father-in-law, Carter Pewterschmidt, having an affair with another woman.Deciding to blackmail him, Peter begins taking advantage of his father-in-law's enormous wealth, before accidentally spilling the beans to Carter's wife, Barbara, who divorces him soon after.Peter then becomes Carter's wingman, and helps him in rediscovering his bachelorhood, as he begins navigating through the dating scene.