Archie and the gang gather intel about Percival so they can better understand where he came from and use that to their advantage. However, when their plan results in an unexpected outcome, the gang is left having to pay a terrible cost.

Veronica sets up a screening at the Babylonium after Julian gets his hands on a stag film and invites Archie, Reggie and the guys over for a watch party. Betty unexpectedly reunites with Polly and learns about her sister's new life in New York. Elsewhere, Jughead goes to war with Dr. Werthers over his censure of comic books.