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If you’ve stuck with this series so far then you’re obviously OK with your drama being more of a horror film than a cosy, feelgood bit of escapism.

With that in mind, fans shouldn’t be disappointed by the turn of events in this unsettling concluding episode.

With James behind bars, police officer Mac is determined to find out more about this mysterious character.

While he uncovers some skeletons in the cupboard under the stairs, Paula is understandably becoming more and more unhinged. Or is she?

There is, of course, a final confrontation between the pair, but what happens next will send a shiver down your spine.

Not for the easily spooked.