Scarletts violent act leaves Ned injured and the others shaken, reflecting on their own actions and trying to understand how they could have prevented the tragedy. Meanwhile, Bea and Yashvi search for Ned, only to be confronted by Scarlett, who stabs Yashvi and flees. Harlow and Mackenzie go trick-or-treating, unaware of the horror unfolding elsewhere. (thetvdb.com)