Orphan Lin Yan inherited his grandfather's antique shop "Shiguang Pavilion" and discovered that a set of bronze keys could awaken the remnant souls of historical figures in the antiques. He and graduate student Ye Qinghuan became "history ferrymen", traveling through the obsessions of sages such as Mozi, Li Bai, and Li Shizhen, and helping them resolve thousand-year regrets.
Each wish fulfilled points to a mysterious bronze fragment. A "Time Walker" organization attempting to tamper with history surfaced, and the death of Grandpa Lin Yan was actually related to it. In the duel to fulfill the sages' entrustment and protect history, an ultimate secret that spans thousands of years is gradually revealed.
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