Season 1 Episode 22 Slaughter of Innocence

Reign Episode 22 "Slaughter of Innocence" Promo

Reign Episode 22 "Slaughter of Innocence" Promo

When the King's madness and cruelty reaches a fevered pitch, Mary and Francis take action in the Reign season finale, episode 22 "Slaughter of Innocence" airing next Thursday on The CW.