A Treatise on Jiangnan Knights

In the world of martial arts, there are feuds among the martial clans, chivalrous hearts and tender romances, perilous secret realms concealing peerless martial arts, and shocking plots that could reshape the entire martial world.

In a small town in the watery lands of Jiangnan, an eerie flute has recently been heard late at night. Anyone who hears it becomes dazed and foolish the next day. The town's constables are at a loss, until a down-and-out swordsman passing through, carrying a broken sword, is unwittingly drawn into the trouble...