With palladium acting as his personal kryptonite, Archiedecides he must build up his tolerance if he's going to stand achance against Percival. Betty turns to Jughead for helpuncovering some repressed memories from her childhood.Meanwhile, Veronica deals with a bombshell discovery thateffects how she interacts with people around her, and Cheryldebates whether she should reach out to a former childhoodcrush.