When an incident at the Sheriff's station triggers an all-out war between the North and the Southside, Archie (KJ Apa) and Jughead (Cole Sprouse) find themselves in the fight of their lives. Meanwhile Veronica (Camila Mendes) makes a devastating discovery about Hiram (Mark Consuelos), just as someone from his past arrives in Riverdale looking for revenge. Finally, Betty (Lili Reinhart) comes face to face with the Black Hood.