After receiving a letter from the University of Iowa asking him to submit a story, Jughead works on a twisted tale about the gang's revenge fantasy against Principal Honey for all the ways he's ruined their senior year.
Starting the school year, Archie Andrews wants to pursue a future in the music business, but is without a mentor. Amidst all the small-town banality lurks a mystery: the recent tragic death of Jason Blossom.
Worried about what the future may hold for him after high school, Archie seeks advice from an unlikely source, Hiram Lodge. Veronica begins to spiral after learning some devastating news about someone close to her. Accusations made against Jughead leaves his future at Stonewall Prep hanging in the balance.
Archie grows concerned for Frank after someone from his past arrives in Riverdale. Betty and Alice's investigation into incidents at Stonewall Prep leads them on a collision course with their number one suspect. Jughead challenges Bret to a duel to settle their grievances, while Toni, Kevin and Fangs seek revenge against Nick St. Clair, who has shown up unexpectedly in Riverdale. Finally, a trip to New York City gives Veronica an opportunity to catch up with her old friend Katy Keene.
Determined to give Frank a second chance, Archie gives him a job at Andrew's Construction. Betty channels her energy into taking Bret down and defeating Stonewall Prep at the Quiz Show Championship, while Veronica and Cheryl team up for an unlikely business venture. Finally, Kevin's date with a new suitor takes a strange and unexpected turn.
Riverdale High prepares for the championship football game against Stonewall Prep; and Betty gets to work on a story about the rivalry between the schools. Archie is conflicted when Mary tells him about Uncle Frank's troubled past. Cheryl goes head to head with Ms. Appleyard, the school's new cheerleading coach, and Veronica hits a road block with her latest Luna Rum recipe. Finally, Jughead is forced to pick a side after the perks of attending Stonewall Prep interfere with his personal life.
After declaring war on Hiram, Veronica enlists a secret weapon against her father – her Abuelita. Archie and FP team up to take Dodger 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.
The residents start getting mysterious videotapes delivered to their homes; The Riverdale High seniors wait for their college acceptance letters; The school's guidance counselor set up a meeting with the group to know what's bothering them.
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.
Archie struggles to keep the neighborhood kids away from Dodger's influence and 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.
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 larns some surprising information about his family history.
Ominous videotapes appear on doorsteps across Riverdale. At Stonewall Prep, Jughead learns about a series of mysterious disappearances that have occurred to former students at the school. Meanwhile, Archie's plan to create a safe space for the town's kids gets derailed when some unwanted visitors crash their Halloween party. Elsewhere, Veronica comes face to face with trouble, while Betty's past comes back to haunt her. Lastly, a haunting a Thistlehouse rocks Cheryl and Toni to their core.
Things take a dangerous turn when Betty and Charles track down Edgar and his Farmies. Archie and Veronica hold a car wash fundraiser at Pop's to raise money for the community center. Elsewhere, Jughead's first day at Stonewall Prep doesn't go as planned. Lastly, Cheryl learns a dark family secret from Nana Rose.
Archie encourages Mad Dog to attend Riverdale High and join the football team. Jughead meets Mr. Chipping, who offers him a spot at an elite school called Stonewall Prep. Veronica is conflicted when information about her involvement in Hiram's arrest leaks to the public. Kevin applies for a spot on the Blue & Gold to make amends with Betty. And Cheryl goes head to head with Mr. Honey, the school's new principal.