Eighteen years ago, the Paladin Oserlan family was wiped out for opposing the king's massacre of non-human races, leaving only one surviving baby, Erinn, whom the king deliberately spared and raised as a slave. Eighteen years later, although Erinn endured abuse, he always dreamed of becoming a knight who saves lives, holding a pure spirit of knighthood. The prince, Lian, who had accompanied him since childhood, showed him kindness and protection. During a knight tournament, Lian was poisoned by an enemy knight, forcing Erinn to fight for the kingdom. On the brink of death, he unexpectedly awakened the holy sword, and the dormant bloodline of the paladin was awakened. To save the poisoned Lian, Erinn ventured to the perilous Silver Moon Mountain to find an antidote, met the werewolf Asa, and gradually discovered the long-standing cruel persecution of humans against non-human races. He also uncovered that the king was actually the mastermind behind the massacre of the Oserlan family. Meanwhile, the mysterious vampire Cerius reappeared, accompanying Erinn in his quest for the truth. Deeply in love with Erinn, Lian became afraid of losing him, and his love gradually twisted into possession and imprisonment. Amid love, hatred, and a racial war, the slave who was once trampled on finally grew into a true paladin. He united the oppressed non-human races to overthrow tyranny but also had to personally end the lifelong love entanglement with Lian. In the end, Erinn abolished the hunti
