Dream - The mystery reveals

When Mira moves to a new house, she befriends Lisa and lands a job in a library.
But before too long she becomes plagued by vivid nightmares and inexplicable incidents.
Terrified by what is happening and unable to sleep, she turns to Lisa to help discover the truth behind it all.
Is it the house or the library?
Is it Lisa?
Or could it be something else entirely?