Two weeks before sectionals, Will is worried the Glee Club is being a bit too cocky. He tells Emma it started when they received a particularly easy sectional draw.
Sueoverhears Will's concern and thinks he needs to kick-start their competitive spirit. Will decides to have the boys face the girls in a mash-up competition. The winner gets to chose the number for sectionals. Will tells them there will be a surprise celebrity judge. Finn catches Will's attention as he obviously looks so drowsy, he then explains that he's worn-out. We get a voice-over of Sue writing in her journal. She mentions a recent "disaster" in which Quinn's knee slightly buckled during a pyramid. That kind of screw-up could cost the Cheerios their national title, Sue thinks. When she asks Quinn what's wrong, Quinn blames it on Glee. Sue decides she must bring down Will. Emma judges the competition.
Sue has a conversation with Terri about Will's relationship with Emma. She implies that Terri must intervene to prevent an affair. This leads Terri to try and get a job at the school.
Will tells Emma he wants her to judge the Glee-off. While he's talking to her about the competition, Terri walks in and tells them she is the new school nurse.
In a voiceover, Finn says he having trouble staying awake at football and glee practice. He also can't seem to get Rachel out of his mind. He says, "Quinn's hot, popular, and she's carrying my baby and all, but I can't get Rachel out of my head. She kind of freaks me out in a Swim Fan kind of way, but she can really sing, and her body is smoking. If you're not into boobs". Puck suggests he see the nurse about his exhaustion.
The girls are super-confident they will beat the boys and aren't interested in Rachel's suggestion they practice.
Finn tells Terri he's tired but can't seem to get any sleep. When he expresses ambivalence about girls, and asking 'Can you like two girls at the same time?' Terri tries to turn him towards Quinn, by saying 'No. And remember, flirting is cheating.' She gives him pseudoephedrine to stay awake. A wired Finn shows up to practice and gives the 'vitamins' to the rest of the guys.The boys of New Directions perform an outstanding mash-up of "It's My Life" and "Confessions Part II.
The guys perform a combination of It's My Life and Confessions Part II. Will thinks they did a great job and will be tough for the girls to beat.
Rachel extends an olive branch to Quinn, telling her that pregnancy will eventually make her an outsider and she will need Glee more than ever.
Terri has Howard buy lots more decongestant. Ken comes in to her office and complains Emma and Will may be in love with each other. Terri confesses she's only there to keep an eye on Will and wants a way out of the job. Ken is in love with Emma but admits she isn't interested in him physically. She tells Ken he should propose and gives him pseudoephedrine to boost his courage.
With the guys performing well, Rachel is still trying to get the girls to work harder. Kurt walks in the room and tells them the guys took pills.
Rachel confronts Finn in the hallway about his chemical enhancement. Finn tells her he needs help given how much he has on his plate and talks trash that the guys are going to win.
The girls of New Directions perform a dazzling mash-up of "Halo"/"Walking On Sunshine."
Terri passes out pseudoephedrine to the Glee girls. Will tells Terri that she is smothering him at school. Ken proposes to Emma in the teachers lounge. He promises to keep her "clean of sadness and loneliness."
After Rachel frantically introduces the girls' performance, they do a strong mash-up of Halo and Walking on Sunshine. Will takes Emma into the hallway and asks about Ken's proposal. She asks Will if he thinks she has any other options. Terri goes to Emma's office and tells her she has no chance with Will. Emma says Will deserves better than Terri. Terri advises her to marry Ken.
Quinn tells Terri she doesn't think she is ready to be a mother. Quinn is okay with giving Terri the baby, but doesn't want Will to Terri spies down the hallway as Emma tells Will that Ken has just asked her hand in marriage.
find out. Terri turns Quinn down when Quinn asks for financial support during the pregnancy.
Emma asks Ken what it would mean if they got married. She doesn't want to change her name, move in with him, have a ceremony or tell anybody. Ken reluctantly asks: "Is that a yes?"
Rachel and Finn both feel guilty about taking the pills. They agree they should both disqualify their teams.
Will is furious to learn Terri gave his kids pills. Figgins forces Terri to resign and makes Will take on Sue as a co-director.
Emma finds Will in the hallway and tells him about her answer to Ken's proposal: "Yes." She then walks away from him, he does the same, and they both look at each other, realizing that they lost the chance for them to be together.
It is not revealed who wins, because Will tells them that they used pills so the competition is over.
