China, 16th century CE - The Brotherhood of Assassins has been all but eradicated by the Chinese Emperor. Restoring the Brotherhood to its former glory is no easy feat, but it is Shao Jun's duty, and her best chance of survival. When she learns that an old foe has acquired a powerful artifact with which he intends to lure any remaining Assassins to their deaths, Shao Jun hastens to Mongolia. There, political intrigue between Mongolian royalty, an exiled prince, and the lethal tensions between Mongolia and China draw her into their web. But when she discovers an even more sinister actor behind the intrigue who is creating monsters for a brutal takeover of the region, Shao Jun vows to do everything in her power to stop it.