Romance in the Famine Years, the Farm Girl's Counterattack Through Time

Su Xiao, an ordinary migrant worker in modern times, accidentally traveled to ancient times and became a peasant girl with a poor family. Facing her dying mother and young brother, she used modern knowledge to make tea from tartary buckwheat that no one cared about and sold it, but it attracted local gangsters to covet her. During a crisis, she rescued the psychic dog "Laifu" and accidentally discovered a rare purple yam (Yu Yan). From then on, her fate was reversed - from a street vendor to a royal pharmacist, from a country girl to a sixth-rank female official. But there are undercurrents in the palace, the second prince poisons himself and seeks power, the eldest princess's life hangs by a thread, and her "modern medical skills" are being coveted by the Imperial Hospital...