Su Baizhi, a PhD in Traditional Chinese Pharmacy, unexpectedly travels back in time and becomes an orphaned young woman running an ancient medicine shop. She activates the Sacred Origin Tree system hidden in her sea of consciousness and gains the extraordinary ability to accelerate the growth of medicinal herbs. Using her intelligence, she outsmarts greedy relatives and monopolistic medicine merchants, revives her family's pharmacy, and meets Gu Yanzhi, a prince living under an assumed identity. As they grow closer, they fall in love and join forces to run Sacred Origin Hall, using their medical skills to help the people. However, a new wave of political intrigue at court threatens their peaceful lives.