Caught between Hiram and Hermoine’s double trial, Veronica grapples with what the future holds for her family. Archie finds himself the unexpected target of the town’s local businesses. Betty and Kevin join the Junior FBI Training Program, and Jughead learns some surprising information about his family history.

As Archie struggles to keep the neighborhood kids away from Dodger’s influence, he turns to an unexpected ally for help. Jughead uncovers a mystery surrounding the author of the Baxter Brothers books, while Betty confronts Charles about his past. Finally, Veronica deals with a major shake-up at home, and Cheryl and Toni get some unexpected visitors at Thistlehouse.

Archie’s plan to host a peaceful Thanksgiving dinner at the community center quickly gets derailed when some unexpected guests arrive. Stranded at Stonewall Prep by an ice storm, Jughead and Betty search for clues about a recent death on campus. Elsewhere, while FP, Alice, Hiram and Hermoine wait out the storm together at Pop’s, Cheryl and Toni get resourceful as they host a dinner for Cheryl’s family.

After declaring war on Hiram, Veronica enlists a secret weapon against her father - her Abuelita. Archie and FP team up to take Dodge down for good, while Betty and Charles investigate a series of strange attacks aimed at Betty. Elsewhere, Jughead's search for his grandpa, Forsythe Pendleton Jones I, leads to more questions than answers, while Cheryl finally makes peace with the past that's been haunting her.

Alice begins shooting a documentary about Riverdale and the latest mystery involving one of its own. Meanwhile, Betty, Archie and Veronica fall deeper into a web of lies as the investigation gets underway.

Betty and Jughead's investigation into the auteur takes a twisted turn after receiving a call from Bret. Meanwhile, Archie is forced to make an impossible decision when the person responsible for his father's death needs his help. Elsewhere, Veronica and Hermosa come up with a plan to force Hiram into early retirement, and Cheryl makes a business move.

With Graduation Day around the corner, the gang consider their next steps beyond Riverdale High. Archie learns whether he will be able to graduate with his classmates. FP makes a difficult decision about his and Jellybean's future.