Clive is caught kissing Beverly, leading to a confrontation with Sheila and Gary. Ned and Scarlett are interrupted by an alarm, and Yashvi worries about her exams and Neds relationship with Scarlett. Kyle, Aaron and Ned try to find out who set off the alarm, while Sheila is confident Clive will leave Beverly for her.

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.