Plot: Black Blood/Hooks

Wraiths

The Restless Dead speak in hushed whispers of Wraiths and Spectres with strange red streaks through their corpus, huddling away in dark, miserable corners of the city to partake in some strange ritual to a being called 'Mother'

Mediums

Mediums will actually see the Wraiths and Spectres and their strange ritual more often than an actual Wraith might. This 'cult' knows to hide from other Wraiths... but they seem to have underestimated the abundance of the Spirit Sighted in Prospect, and their propensity to stick their nose into Wraith's business...