As a new school year begins, the town still reels from Jason Blossom's tragic death; Archie decides to pursue a career in music; Cheryl Blossom stirs up trouble.
Archie pleads with Ms Grundy to come forward with what they heard; Cheryl deals with the pressure of Jason's death; Jughead stumbles upon Archie's secret.
Cheryl comes clean about when she last saw Jason; Betty and Jughead investigate Jason's death; Veronica and Ethel investigate a shame book.
Jughead fights to keep the local drive-in open; Betty and Veronica investigate Ms Grundy, uncovering some startling information about her past.
The Blossom family move forward with Jason's funeral, and a secret agenda; Hermonie seeks Fred's help; Betty dives deeper into Jason's death.
Valerie's efforts to help Archie leads to a major fallout with Josie; Betty and Jughead's investigation brings them face-to-face with Polly.
New rumors swirl when a major piece of evidence is mysteriously destroyed; Cheryl approaches Betty with an unexpected proposal.
Archie and his friends pitch in to help Fred, but when one of them is attacked, they come up with a plan that lands them in Southside Serpent territory.
Archie receives an offer from Cheryl; Veronica befriends a classmate that her father's illegal doings has hurt; Alice prepares for revenge on the Blossoms.
Fred decides to finalize his divorce; Archie plans to win Valerie back; Betty plans a surprise birthday party for Jughead, until Cheryl spirals things out of control.
Cheryl and Polly decide to attend the Homecoming in Jason's honor, until a revelation waylays their plans; Alice turns to Archie and Veronica for help.
Archie and Veronica are shocked to learn of the arrest, and must come clean to their parents about what they uncovered; Jason's killer is revealed.
As Fred’s life hangs in the balance following the shooting at Pop’s diner, Archie struggles with the emotional aftermath of what he witnessed. Meanwhile, as Veronica steps out of her comfort zone to support Archie, she learns that her father Hiram has arrived to Riverdale earlier than expected. Elsewhere, at Pop’s diner, Pop Tate recounts the chilling details of the shooting, which leaves Jughead and Betty questioning the gunman’s true motives. Lastly, after running into Cheryl at the hospital, Betty and Kevin are surprised to learn about the fire at Thornhill.