In this world, every shadow is a gateway to a dangerous and unexplored dimension—tunnels laid by initiates of secret arts. Here, the Sun has a dark twin star; an ordinary handshake can turn into a curse; and a shadow can cast a person aside. Here, six grands fight with poison, betrayal, and steel for influence at court; a minor king struggles to hold power; the inquisition grows stronger; and real monsters may come from the darkness. When a shadow-graph—an image burned into glass with a mysterious six-armed figure radiating light—falls into the hands of former soldier and mercenary Arahon I’Barator, the skilled fencer finds himself at the center of a conspiracy whose threads reach to the very top of society. Now not only Arahon’s fate is at stake, but also the throne of his country—and the lives of all its inhabitants…