After one of their own becomes the target of an unseenassailant, the gang works together to get to the bottom ofRiverdale's latest mystery. Meanwhile, Betty works with asurprising ally to piece together clues about a series ofdeaths in the town. Elsewhere, a spiraling Archie sets out ona new path, while Jughead comes face to face with Ms.Mulwray, Hiram's alleged mistress.
