The glee kids are down in the dumps following their disappointing showing at Nationals, so Will assigns them a project to get them back on track. Meanwhile, Ms. Sylvester wants to go to Washington: Sue's running for Congress.

Emma gets a visit from her parents; Mike Chang's parents get involved when his grades aren't up to their standards.

The school musical West Side Story is readied for performance, with Artie as lead director. Finn meets with a football recruiter, whom Coach Beiste gains as an admirer. Kurt and Blaine reach a new, physical stage in their relationship, as do Rachel and Finn in theirs.

When Will tries to plan a special surprise for Emma, he enlists the glee club to help him sweep her off her feet. Meanwhile, Becky sets her sights on Artie, and Finn makes an announcement about his life plans after high school that surprises the glee club.

Will assigns the glee club a Spanish singing assignment, and enlists the help of his musically-inclined night school teacher. Meanwhile, Rachel spills the beans to Kurt and Mercedes on Finn's marriage proposal, and Mercedes has love complications of her own.

In honor of Valentine's Day, Will challenges the New Directions to find and perform the world's greatest love songs. Meanwhile, Rachel's two dads Hiram and LeRoy Berry pay a visit to McKinley High.

Brittany goes into high gear as class president to spearhead the prom. Then, after prom king and queen nominations are announced, the kids kick into campaign mode, and some of the outcasts organize a rival celebration.