In an alternate Tang Dynasty China, Zanni is a poor alchemist who illegally uses her skills to resurrect the dead for grieving families to support her own. Her life changes when she is recruited by the royal family to compete for the position of imperial alchemist, a role that promises wealth but carries deadly risks. As she navigates the dangerous politics of the court, Zanni must hide her dark secrets while uncovering the truth behind the emperor's quest for immortality.