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.

When ominous videotapes begin appearing on doorsteps across Riverdale, widespread fear quickly returns to the town. 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 at Thistlehouse rocks Cheryl and Toni to their core.

As residents across Riverdale begin receiving more mysterious videotapes on their doorsteps, the seniors of Riverdale High eagerly await their college decision letters. Concerned that the stress may be getting to them, Mrs. Burble, the school's guidance counselor, meets with Betty, Archie, Veronica, Cheryl and Jughead to discuss what's plaguing them.

As Riverdale High prepares for the championship football game against Stonewall Prep, 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 begin to interfere with his personal life.

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.

Worried about what the future may hold for him after high school, Archie seeks advice from an unlikely source -- Hiram Lodge. Meanwhile, Veronica begins to spiral after learning some devastating news about someone close to her. Finally, accusations made against Jughead leaves his future at Stonewall Prep hanging in the balance.

Kevin decides to revive Riverdale High’s tradition of hosting a variety show. But when Mr. Honey forbids him from performing a number from “Hedwig and the Angry Inch,” Kevin and the gang rally against their principal turning the variety show into a full-fledged musical that reflects the students’ inner lives and struggles. And amidst all the drama, one forbidden “showmance” begins to blossom.

Jughead and Charles follow a new lead after the contents of the latest videotape takes a sinister turn. Meanwhile, Kevin, Reggie and Fangs take their latest business venture to the next level, while Cheryl and Veronica's maple rum business faces a new threat. Finally, Archie and Betty contemplate their next steps.

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. Season Finale.