She's one of the few women clergy working in the deliverance ministry, which is an important, but rarely publicised job. Her knowledge of the paranormal underworld brings her to the attention of the local police, who need her help when investigating a grisly murder.
The man has been killed in the most horrific of circumstances and Merrily is convinced Satanists are working in the city. She agrees to help the police, but finds herself dragged into a dark and dangerous world.
Midwinter Of The Spirit, ITV, 9pm
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