There are some types of evil that are not easily recognizable as such. Much like the mountain-top ascetic or the cloistered saint, there is no obvious sign of the darkness that lurks inside Vodai.
A family of semi-retired doomsday cultists, just trying to live a quiet life while tending an apple orchard in the country. Except with complications.
A noble claims that a stranger did not enter the town by any normal means, but trough his mirror. The man in question is ravening mad and mutters on about vast halls connecting all the mirrors in the world.