"Riverdale" is an ordinary American provincial town located by the Sweetwater River. Its inhabitants live leisurely and calmly, without any mysterious or paradoxical events. But everything changes when they are shaken by the news of the mysterious murder of a teenager named Jason Blossom. Jason's classmates - Betty, Veronica, Jughead, and Archie - accidentally find themselves at the center of the investigation into this tragedy. Together, they must unravel many mysteries.