Tang Yeon-Myeong is the young lord of the once-mighty Sichuan Tang clan, a family renowned for their deadly poison arts and hidden weapons. Though born into privilege, he is initially an outcast-underestimated and overlooked by his own clan. Awakening memories of a past life as a legendary sword god, Tang Yeon-Myeong possesses unparalleled swordsmanship and combat intuition that far exceed ordinary martial artists.