Modern youth Lin Feng transmigrates by accident to an ancient martial world where martial arts flourish, and is caught in the maelstrom of a chaotic age. From struggling to survive in confusion to comprehending the sword and opening his meridians, he relies on modern knowledge and extraordinary insight to grow stronger amid the clash between righteous and evil forces. Drawn into the feuds of martial sects and the flames of war on the frontier, he also becomes entangled in affairs of the heart with a cool, aloof immortal maiden and a bewitching demoness. When the Demon Lord descends and the people are plunged into chaos, he finally grasps the true principles of martial arts amid blood and fire, and faces Heaven itself at the pinnacle of the Azure Sky Sword Song. This is a heroic quest across time and space, and an epic search for a way home amid love, hate, and the fate of all living beings.