The heroine lives in modern society and is an outstanding medical doctorate, spending her days immersed in demanding research and clinical work. During an archaeology internship, she joins a team exploring a mysterious ancient tomb, but accidentally triggers a strange power and transmigrates to an alternate ancient dynasty. Medical care in this dynasty is woefully underdeveloped, epidemics are rampant, and members of the royal family fight endlessly for power as various factions maneuver in the shadows. The common people live in abject hardship, and the epidemics tear countless families apart.