Sisters of the Plague (2015)

Plot

A haunted house tour guide becomes increasingly aware of a lurking malevolence in her surroundings. Seeking guidance, she consults a medium, who ominously warns her of a vengeful force that she cannot hope to master. As she delves deeper into the supernatural mystery, the line between reality and the spectral world blurs, challenging her resolve and sanity. Faced with an unrelenting darkness, she must navigate the dangers that threaten her very existence, leading to a confrontation with a power that could consume her entirely.