The dragon veins of the earth hide mysteries, and the forces of the rivers and lakes are intertwined with the undercurrents of the imperial court. Young knight Shen Lian is tasked with guarding the Dragon Vein, but he is surrounded by black-robed killers during a mission. At a critical juncture, he joins hands with the heroine Li Wanqing to break out of the encirclement, uncovering the conspiracy of the Shadow Reunion to covet the power of the Dragon Vein. The emperor suddenly granted a marriage, but Shen Lian refused to marry the princess to protect his friendship. However, he was plotted by the mysterious father-in-law Qian Fu and was involved in the whirlpool of intrigues in the court. Shadow Demon, the leader of the Shadow Tryst, appears and threatens the world with the power of dragon veins. Shen Lian leads the crowd to fight, and discovers that Shadow Demon has colluded with the powerful officials of the court! The seal of the dragon vein is on the verge of collapse, and the undercurrents of the rivers and lakes and the court are intertwined. Shen Lian and Li Wanqing vow to break the situation in a life-and-death battle, but they don't know that a greater crisis is quietly approaching... The light of the sword reflects the blood, and the conspiracy gnaws at the heart. Behind the mystery of the dragon vein, will the country change hands or will the friendship last forever?
