As the last descendant of the declining noble "Shuang Maple Forest Family", he works as a clerk in the border fortress incognito, but is forced to show his extraordinary swordsmanship due to a sudden beast wave. Lin Jingyu discovered that his "Frost Maple Bloodline" could control cold air, which matched the fragments of childhood memories. During the investigation, he gradually discovered that his father's death was actually a conspiracy planned by the prime minister.
