This book is a hard-core traditional martial arts work, set in a vast and chilling border area. It tells the story of two knights with very different personalities who punish rapes, eradicate evil and resist foreign humiliation in the desert beyond the Great Wall. The work delicately describes the customs and customs of the borderlands and the dangerous people in the world. There is a strong sense of desolation and heroism in the light and shadow of the sword. It is a masterpiece of traditional martial arts that pays attention to the shaping of artistic conception and the exploration of chivalrous morality.