Concerned that Sue is up to no good, Will pays a visit to an instructor of a competing Glee Club to see what information Sue may be leaking, which leads to the club getting a look at their hair-rising competition. Meanwhile, Kurt gives Rachel a makeover to impress Finn, but he may have ulterior motives.

Sectionals is finally here for the Glee Club, but when Quinn’s secret unravels, the club may not be able to recover in time to compete. Meanwhile, Sue’s scheming hits an all-time high, and with Emma and Ken’s marriage looming, Will makes a decision that could change his life forever.

In the wake of Kurt’s departure, Blaine tries to distract from his loneliness by entering the race for Senior Class President. The move puts him in direct conflict with Brittany who looks to repeat for a second term. After struggling to come up with fresh ideas for New Directions, Will begins to fear that he’s losing his enthusiasm for show choir. When an opportunity to reignite his passion and make a lasting positive impact on his students presents itself, the procrastinating Will gets prodding from two vastly different sources. After landing an internship with fashion icon Isabelle Klempt, Kurt comes up with an out-of-the-box idea to revitalize the fashionista’s sagging brand. While his initiative earns him a new mentor and earns Rachel a much needed makeover, his success also has a troublesome impact back in Lima.

The members of New Directions are back in action and take on their biggest assignment yet: the Beatles! As Will enlists the kids to pay homage to the classic song catalog from the Fab Four, Blaine and Kurt attempt to answer questions about their future together. Meanwhile, Rachel's New York ambitions take an unexpected turn.

Rachel and Kurt redouble their efforts to recruit new members to New Directions after new rules are announced for the Show Choir Invitational. Sue enacts an elaborate plan to try reunite Kurt and Blaine. Will and Rachel have a much needed heart-to-heart.