Caroline is sent into a flurry of emotion, when she discovers that Nicholas intends to leave his wife for her.
New Directions and the Warblers face off at sectionals; Rachel must choose between NYADA and another Broadway show with Jesse St. James.
Tim refuses to take off a Cinderella dress during March Madness; Matt gets unsolicited advice for the prom; Jen sets Matt up on a blind date.
Heather and Tim ask Clementine's parents to convince Clementine and Tyler to get a marriage annulment; Tommy moves in with Colleen, to the dismay of her roommate; John takes the wrong dose of his daily pill, which leads to complications.
Joan and John reveal a long-hidden secret; Greg quits his job to promote his own invention; Matt's big announcement keeps getting delayed.