When a teen sports star dies, the community of Sanctuary is shattered; DCI Knight expects a straightforward investigation but the response of Harper, daughter of a local witch, leads her to suspect there's more to his death than meets the eye.

When non-witch daughter Harper is accused of murder, Sarah must use her magic to prove her innocence; fueled by local resentments, suspicions transfer to mother and daughter, while Abigail tries to blackmail Sarah with an extraordinary demand.

An expert confirms that magic was present at the crime scene; Harper makes a shocking revelation to Sarah who warns that her disclosure, if revealed to the police, will make her a suspect; an accusation from Harper sends Abigail into revenge mode.

Harper's accusations that Daniel raped her put the spotlight of suspicion on her and Sarah; a vigil in Daniel's memory whips up ill feelings within Sanctuary; abandoned by The Moot, Sarah fears all is lost; Harper attacked at school.

Reeling from the attempt on Harper's life, Sarah decides to cast a spell over all of Sanctuary; Maggie discovers more about Harper's life away from Sanctuary; the truth emerges about the rape allegations.

When new information verifies Harper's accusations, Abigail attempts to clear Daniel's name by fueling anti-witch feelings; Aided by the appearance of a mystery virus and evidence of Sarah's failed spell, her campaign has devastating consequences.