It's the middle of summer in the Year of the Dragon. The hunt for the Crimson Robe may be over, but the adventure continues...
With Bran seemingly gone from Yamato forever, his friends settle in their new lives, their common adventures a distant memory. Sato enrolls in Lord Nariakira's school of wizardry, while Nagomi joins her father's medical practice in far-away Nagoya.
But the revolution, once started, cannot be stopped. The foreign threat finally comes to Yamato's doorstep. A Varyagan submarine drops anchor in Kiyo harbour. A Bataavian warship arrives at Kagoshima, carrying Dylan ab Ifor, Gwen and Wulfhere. In Shimoda, the Black Wings supply fleet brings with it a curious, unwanted guest...