Jiang Li, a Doctor of Traditional Chinese Medicine and a martial arts champion, unexpectedly travels through time and becomes a seven-year-old orphan girl. Filled with compassion for her widowed mother who endures hardship, she personally selects a fine husband for her mother — Jiang Feng, a skilled martial artist and courier. After remarrying with her mother, Jiang Li becomes a disciple of the Imperial Physician to study medicine, mastering peerless medical skills. The family faces successive crises: forced labor, arson by powerful figures, and her father losing his arm in an ambush while on a courier mission. Using wisdom and her abilities, she protects her family, guides her elder brother to place first in the county-level scholar examination, and in this treacherous era, finds ways to overcome every obstacle, leading the entire family step by step toward prosperity.