Following in his grandfather's footsteps, Archie (KJ Apa) starts a recruiting drive for the town's new volunteer fire department in the new episode "Chapter Eighty-Three: Fire in the Sky." Meanwhile, when Toni (Vanessa Morgan) tries to lure Cheryl (Madelaine Petsch) out of Thornhill and back into daily life, her efforts only raise the tension between the two women. Elsewhere, Hiram (Mark Consuelos) clashes with Betty, Alice and Kevin (Lili Reinhart, Madchen Amick, Casey Cott) over the direction of their latest investigation.