When Jughead learns that an anonymous buyer has plans to tear down the local drive-in, he fights desperately to keep it open. Betty finds her friendship with Archie on the line after stumbling upon some startling information she's uncovered about Miss Grundy's past. Elsewhere, Veronica confronts her mother Hermoine about a suspicious meeting she witnessed between her mother and a shady Southside Serpent. Finally, after uncovering Betty's diary, Alice finds the perfect opportunity to destroy Archie's golden boy image.