Puck, Quinn, Santana, Mercedes, Brittany, Artie and Tina all return to McKinley for Homecoming and help Rachel and Kurt recruit for the new glee club.

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.

Dalton Academy burns to the ground, and the Warblers must combine with the New Directions to form a super group. Meanwhile, Rachel begs Carmen Tibideaux to let her return to NYADA.

New Directions and the Warblers go head-to-head at sectionals. Meanwhile, Rachel must choose between returning to NYADA and doing another Broadway show with her past love, Jesse St. James.