Following the explosion that ended Season Five, a new day dawns in the town of RiverVALE, where everything is as it should be. Veronica and Reggie are now the town's power couple, while Jughead and Tabitha move in together. But with Cheryl demanding a return to the "old ways," this serenity will surely not last. And how could Archie and Betty possibly have survived?

A vengeful spirit from folklore, la Llorona arrives in Rivervale to terrorize the rainy town. Betty and Toni find themselves in the specter's path and must seek Cheryl’s help to protect the children in Rivervale, including Baby Anthony. Meanwhile, Jughead and Tabitha, along with Veronica and Reggie, experience their own hauntings that begin to put a strain on their respective relationships.

After being visited by a mysterious figure who arrives in Rivervale, the gang find themselves faced with unexpected ultimatums.

As news begins to spread about the bombing at the Andrew's home, Archie, Betty and Jughead begin to deal with mysterious side effects from the explosion. Elsewhere, Veronica spirals after learning that Hiram may have been involved, and Cheryl is consumed with guilt when she believes she may have had a hand in the explosion.

After uncovering what Percival has planned for the town, Archie, Betty Jughead and Tabitha devise a plan to oust the current town council and instate their own. But when Percival catches wind of their secret meeting, he and Alice use an upcoming weather event to scare the town into staying in their homes... while they carry out the next step of Percival's master plan.

The next steps of Percival's plan catch Archie, Betty, Jughead, Veronica, Cheryl and Reggie off guard and forces them to face their past trauma.

With palladium acting as his personal kryptonite, Archie decides he must build up his tolerance if he's going to stand a chance against Percival. Betty turns to Jughead for help uncovering some repressed memories from her childhood. Meanwhile, Veronica deals with a bombshell discovery that effects how she interacts with people around her, and Cheryl debates whether she should reach out to a former childhood crush.

After failing to get Pop's declared a historical landmark, Tabitha enlists Archie's help saving the diner from Percival. Betty opens up to Agent Drake about her ability to see people's evil auras. Meanwhile, after Reggie and the shareholders declare war on Veronica, she turns to Jughead for help maintaining control of the Babylonium. Finally, Cheryl reconnects with her childhood crush Heather, and Toni and Fangs continue their fight for custody of Baby Anthony.

In order to catch the Trash Bag Killer once and for all, Betty devises a plan to hold a serial killer convention in Riverdale. Elsewhere, Cheryl receives some news about Toni and Fangs that sends her spiraling, while Archie and Tabitha try to loosen the grip Percival has over his workers.

When several of their own fall prey to Percival's latest plan, Cheryl calls upon fellow witch Sabrina Spellman for help. Elsewhere, Percival gives Reggie an ultimatum.