When modern doctor Nina awakens as the revered ancestor of her clan in an ancient world, she makes up her mind to correct the future. Confronting the crippled wastrel Paul from the family prophecy, she forces him to rise. Under her tutelage in the medical arts and tactical leadership, Paul smashes his wheelchair and stands. Together, they dismantle a corrupt political syndicate, and Paul eventually becomes Head of the Imperial Medical Bureau, restoring their family's glory. Nina isn't just a doctor; she's the guardian who knows the outcome of every battle before it starts. Nina proudly says that she has single-handedly dragged eighteen generations of ancestors back on course. A high-stakes historical story of legacy and power.