Su Qingran, an undergraduate student of clinical medicine in the 21st century, was involved in a car accident after an all-night experiment and accidentally traveled to the Tianbao period of the Tang Dynasty. She became "Qingran", an orphan girl living on the streets who suffered from high fever and fainted. Fortunately, Shen Yanzhi, the son of the Minister of Civil Affairs, came to the rescue and she was able to settle down in the inn.
After waking up, Su Qingran relied on modern pharmacological knowledge to be keenly aware of the dosage problem of the decoction and antipyretic powder prescribed by the doctor, and boldly made suggestions for adjustments to Shen Yanzhi. Her clear pharmacological analysis impressed Shen Yanzhi, who thought she was just an ordinary orphan. In the confusion and uneasiness of entering another world for the first time, Shen Yanzhi's gentleness, kindness and careful care brought her warmth.
Amidst the patter of rain in Chang'an, Su Qingran, who was used to holding a scalpel, looked at the strange ancient world in front of her and the kind-hearted Shen Yanzhi, and a glimmer of hope arose in her heart - maybe in this prosperous and turbulent Tang Dynasty, she could not only establish herself with medical skills, but also encounter a sincere love that spans time and space. The story begins from this, and gradually unfolds around Su Qingran's growth in another world, application of medical skills, and her and Shen Yanzhi's emotional development.
