The Blood Angel attacks the cruiser Bar's Sword, which hangs in orbit over the planet Niades and is trapped by a twisted storm. On board, members of the Space Marine Corps on the spacecraft were angry at their inaction. Their commander, Captain Orpheo, has gone to the surface to investigate a mysterious signal. Due to signal distortion in the atmosphere, he and his honor guard can no longer be contacted. At the same time, Livia Solken, the captain of the Sword of Bar and the female owner of the ship, had to face obstacles and confusion from the Niades orbital tower. What secret did the authorities of this tower attempt to conceal from the Blood Angel?