Bart becomes a hometown hero when he makes the game-winning catch at his Little League game, sending the Springfield Isotots to the Little League championship for the first time ever. However, Springfield turns on him when he drops an easy pop fly in the bottom of the ninth, losing the game for his team. As the citizens of Springfield continue to mock and terrorize Bart, his guilt and shame threaten to send him over the edge. In an effort to cheer him up, Lisa introduces Bart to Bill Buckner. Meanwhile, after falling asleep in a department store display bed, Homer is saved from disaster when a customer mistakes Homer's crafty excuses for a sales pitch, leading the store owner to hire Homer as a salesperson. When the Lovejoys return a mattress they had purchased in hopes of spicing up their sex life, they find success on Homer's personal mattress and convince him to trade, a transaction Homer and Marge immediately regret and seek to remedy.