Science: The research into the physical world to better understand and use it.

Magic: The power to change the physical world's laws with one's will. Practitioners are typically referred to as a Mages.

Supernatural: Forces unbounded by this world's laws. Those manipulating supernatural powers are typically referred to as Demonologists.

A demonologist returns home after many years of travel to study the Shroud, a mysterious supernatural mist consuming his hometown, but is unwillingly dragged into the power struggles throughout the city.