Broken pieces of black bird bronze suddenly appear in Liulichang, Beijing. In order to track down the whereabouts of his father Guo Wenqing, who has been missing for 20 years, Guo Xinyu, together with the mysterious shop owner Chen Lei, mechanical genius Wang Jia, Zhang Qiyi, a descendant of the tomb keeper, and others, go deep into the ancient country of Xuanling deep in the Nanling Mountains. Under the pursuit of seven major families and foreign forces, they cracked numerous mechanisms and uncovered the human sacrifice scam and thousand-year destiny behind Xuanling's "immortality". In the end, everyone completed the redemption in the collapsed main tomb, but discovered a new mystery deep in the Changbai Mountain in the USB flash drive left by their father.
Purpose: In the process of pursuing the truth, break the shackles of generational destiny and complete self-salvation and human choices.