Amidst preparations for their upcoming wedding, Sierra and Tom receive an unsettling message, which forces "The Midnight Club" to reunite. Meanwhile, Veronica and Reggie take drastic measures to clean up a mess they created. Cheryl learns some unexpected news about the college she has set her sights on. Lastly, Kevin gives Moose an ultimatum.
Set in the present, the series offers a bold, subversive take on Archie, Betty, Veronica and their friends, exploring the surreality of small-town life, the darkness and weirdness bubbling beneath Riverdale's wholesome facade.