Quinn’s secret unravels as the sectionals approach, threatening club cohesion at the worst possible time. Meanwhile, Sue’s scheming continues apace (and then some); and Will ponders an important decision as Emma and Ken’s wedding nears. Grace Hitchens: Eve.

Will is concerned that Sue is leaking info, so he visits with a rival club’s instructor (Eve) while the kids check out their competition. Meanwhile, Kurt gives Rachel a makeover, and he may have motives for doing this

Mr. Schuester has the Glee Club split up into pairs to sing their favorite ballad, but when one kid gets sick, he’s forced to step in and winds up in a sticky situation. Meanwhile, Finn has dinner with Quinn’s parents.

Will encourages the Glee Club to support Artie, and asks each of them to perform in a wheelchair. Meanwhile, Kurt and Rachel compete for a big solo.