Jughead szuka dowodu, który przekona resztę ekipy, że cofnęli się w czasie. Archie próbuje poderwać nową dziewczynę, Veronicę, ale Cheryl chce pociągnąć ją na dno.

Zbliża się szkolny bal. Veronica robi casting na partnera, a Toni nalega, aby Fangs wystąpił na scenie. Jughead staje oko w oko z redaktorem naczelnym Pep Comics.

Matka Betty wyciąga do Ethel pomocną dłoń. Julian próbuje znaleźć chłopaka na randkę z Cheryl. Veronica organizuje imprezę z całowaniem, która obfituje w niespodzianki.

Gdy Jughead postanawia napisać cztery przerażające opowiadania, których bohaterami są uczniowie i uczennice Riverdale High, zacierają się granice między prawdą a fikcją.

Wuj Frank przyjeżdża do miasteczka, aby pokierować Archiego na właściwą drogę. Przyjaźń między Cheryl i Tonim wywołuje konsternację. Betty wyjawia sekret Veronice.

Alice zmusza przyłapaną na gorącym uczynku Betty do udziału w programie tanecznym. Jughead dyskutuje z dyrektorem. Kevin niechętnie dołącza do drużyny koszykarskiej.

Bulldogs doświadczają kolejnej straty. Frank rekrutuje gracza z pobliskiego miasta, który ma pomóc drużynie wrócić na szczyt. Tabitha nadrabia zaległości z Tonim.

Betty zaczyna terapię, ale pytania doktora Werthera brzmią podejrzanie. Rodzice Veroniki sabotują jej działalność kinową, ale dziewczyna nie zamierza rezygnować.

Jughead i Tabitha odkrywają przeszłość Rayberry’ego. Podwójna randka Betty i Veronicy kończy się katastrofą. Cheryl dołącza do klubu książki Toni.

Veronica decides to host a ghost show after learning that Riverdale doesn't celebrate Halloween the way she's use to in LA. Betty makes the most out of her night out with Archie and Reggie, and Jughead makes a major discovery in a mystery brewing in Riverdale.

Archie and Reggie lean on each other as they prepare for their big basketball game against Stonewall Prep. Meanwhile, as they deal with ongoing issues with their parents, Betty and Veronica decide to throw a slumber party with Kevin and Clay.

Panic ensues after Archie and the gang learn that Mrs. Thornton is accused of being a communist. Cheryl's father Clifford forces her to out gay students at Riverdale High or risk losing power over the Vixens. Meanwhile, Hiram's surprise arrival to town is quickly met with suspicion by Veronica, and Jughead devises a plan to get around a boycott of comic books.

After Principal Featherhead agrees to let Kevin present him with an original musical written by him and Clay, Kevin learns the group might not be as into it as he had hoped. Elsewhere, musical rehearsals prompt Archie to question what he wants in life, while Betty and Veronica confront what's going on between them.

It's time for the town's annual Miss Teen Riverdale pageant and Betty, Veronica, Cheryl and Toni each have their own reasons for entering. However, when Alice doesn't allow Ethel to enter the pageant, the girls band together to make sure she has a fighting chance.

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.

Betty enlists help from Cheryl and Toni after deciding she's going to publish her own book. Veronica, Kevin and Clay host Hollywood movie star Josie McCoy, who is in town to screen her latest film. Finally, Archie's attempt to take his poetry to the next level doesn't go as planned.

As the gang gets swept up in Cold War paranoia, a new mystery brewing in Riverdale leads Jughead to suspect it may have ties to a string of suspicious murders in town. Archie reconsiders his future after Uncle Frank gives him a hard time about his poetry writing, and a shocking discovery involving her family shakes Betty to her core.

As the town's past secrets start to bubble to the surface, Jughead and the gang are forced to make a difficult decision that will change each of their lives forever.

Back in the present day and longing for her former life in Riverdale, 86-year-old Betty turns to a special friend to help her relive her last day of senior year with her friends as they were, their memories restored.