The killers Ge and Song execute daily killing missions for their "Father" organization, and at the same time, Ge is often awakened by fragments of memories in his head during sleep. During a chase, a déjà vu scene causes Ge Jun's brain to fluctuate, and he realizes that these memory fragments have a significant connection to his past. Ge begins to trace his identity, but Song is also involved accidentally. The two of them realize the true nature of the "Father" organization and discover the truth about the evil "memory transplant" being carried out by the organization.

In the early years of the Republic of China, deserter Pi Si tracks a fake Taoist priest to Tianmen Town in Xiangxi, uncovering his conspiracy to traffic young girls and transport corpses. Unexpectedly, this leads to the legend of the treasure of the rebel king, attracting the attention of many. Pi Si eventually becomes entangled with Yang Peiru, the beloved daughter of a warlord, and with the help of a chieftain's son and a Miao girl, they gradually unravel the secrets of the treasure, triggering a series of farcical treasure-hunting events.