The Substitute Concubine's Revenge: A Doctor's Transmigration

She shouldn't be here—yet the blood jade bead burns against her skin, proof this nightmare is real. Three times now, memories that aren't hers have surfaced. A prescription materializes in her palm, written in her own hand. The embroidered goldfinch on her sleeve belongs to a woman she's never been. Trapped in the body of a substitute concubine with a medical genius's knowledge, she'll rewrite her fate one diagnosis at a time. But in a palace where poison flows as freely as tea, can a transmigrated doctor survive long enough to claim her revenge?