Sarah seeks to disprove accusations of witchcraft against her daughter Harper whilst Abigail resorts to blackmail.

Harper makes a shocking revelation to Sarah. An accusation from Harper sends Abigail into revenge mode.

Harper’s accusations put suspicion onto her and Sarah, and a memorial vigil incites ill feeling.

Following the dunking, Sarah decides to cast a spell over the whole of Sanctuary. A revelation pushes Abi into action.

Abigail seeks to clear Dan’s name by whipping up anti-witch feeling amidst a mystery virus and evidence of dark magic.

With Sanctuary cut off from the outside world, Abigail has free rein to exact the ultimate revenge on Sarah and Harper.