Burt also defeated Sue for Congress, while Beiste got up the courage to tell Cooter she was in love with him. She was forced to confront him after catching Cooter on a date with Sue. Turns out, he's been one of her go-to booty calls.
Elsewhere, Santana came out of the closet to her grandmother, who reacted terribly: she tossed her granddaughter out of the house.
Finally, Puck slept with Shelby (!!!!) and admitted the secret to Quinn after doing his best to calm her down and make it clear that her having another baby is a bad, bad idea.
Source: TV Fanatic