Toni, Alice, Archie and Kevin fight to keep Riverdale High's doors open after learning that its budget had been cut by Hiram Lodge. Veronica gets creative when she discovers Chad is having her followed. Jughead starts a new job after debt collectors show up in Riverdale.

A big announcement forces everyone to take stock of their current lives. Cheryl sets a risky plan in motion after learning some surprising news about Toni. Jughead tries to make sense of a strange encounter he had. Kevin and Fangs make a big decision about their future together.

While preparing for the school's Parent-Teacher night, Archie is caught off guard when his former Army General shows up in Riverdale with some unexpected news. Cheryl pushes back after hearing that Hiram and Reggie have expressed interest in taking over the Blossom maple groves. Jughead's unconventional way to get through a case of writer's block causes Tabitha to be concerned for his safety. Finally, Betty and Alice receive some unexpected visitors.

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 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.

As the gang plan an event celebrating two of their own, strange biblical plaques around town threaten to put a damper on the special day.

Archie and the gang band together to save Riverdale from the greatest threat the town has ever faced.