Modern medical researcher Su Jinxi unexpectedly transmigrates into a condemned prisoner awaiting execution in the Ministry of Justice's death row. Her predecessor was falsely accused of poisoning the legendary warrior, Prince of Zhenbei, and is due to be executed in three days. With extraordinary medical skills, she turns the tables in this desperate situation, using her miraculous golden needles to revive the prince. She then opens a clinic in the capital, where danger and intrigue lurk at every turn, and becomes famous throughout the land. But her half-sister's schemes, her family's rejection, and the Empress Dowager's attempts to kill her soon follow one after another. She wields medicine as a blade and intelligence as a shield, advancing carefully through the struggle for power. She and the Prince of Zhenbei go from using each other to fighting side by side, marrying first and falling in love later as they unravel the mystery together. When the trail of a sinister curse emerges and war flares up on the border, she uses her compassion and medical skills to quell unrest at home, while he uses his iron cavalry to repel threats from beyond. This realm is their shared battlefield, and the witness to their love...
