As a desperate Cassie tries to steal back her baby from Azazeal and perform her sacrifice, there's a cataclysmic twist in store...

Azazeal begins his torture of Ella, leaving Thelma to find out how he's doing it. Meanwhile, Roxanne's suspicions are growing...

Ella is set on exacting her revenge on Azazeal's accomplice Jez. Then she meets Malachi and realises he is the one she's been waiting to kill all her life.

Ella realises the enormity of her task. Killing Malachi won't be easy; he is feeding off Alex, so could she be the key? Or is it someone closer?

Most of the school bears the mark of Malachi. Can Leon stop the spread of evil and win back Ella's trust?