Catherine and her family recently moved into a converted church. Upon moving in, they have been harassed by an unknown religious stalker, claiming them to be sinners. Pamela, Catherine's grandmother soon begins to reveal she has secrets hidden to the local church, and not all is as it seems. Each night the Nun returns, and this time, she is looking to claim more than one soul.

Based on true events. Aesha goes to an isolated b&b in Kent after her mom books her in so she can get some head space for her studies. In the night Aesha is visited by a nun at the door who will progressively begin to show her true colours as the night unfolds - As the nun continues to bother Aesha at the door, Aesha begins to question her surroundings in this isolated suspense horror.