televisionpromos:

Riverdale 2x21 “The Killing of a Sacred Deer” Promo - RIOT NIGHT — When an incident at the Sheriff’s station triggers an all-out war between the North and the Southside, Archie and Jughead find themselves in the fight of their lives. Meanwhile Veronica makes a devastating discovery about Hiram, just as someone from his past arrives in Riverdale looking for revenge. Finally, Betty comes face to face with the Black Hood.