Mr. Schuester and Coach Beiste devise a plot to bring together the warring glee club and football team factions. Meanwhile, Sue, desperate to win cheerleading Nationals, launches a dangerous plan to bring home a trophy, and the kids of New Directions tackle Michael Jackson's iconic hit "Thriller".

Rachel tries to launch a comeback into the McKinley High social stratosphere with a little help from Brittany. Meanwhile, Sam starts a tribute band.