Lin An, a modern-day doctor, unexpectedly travels back in time to an ancient era plagued by a severe drought and joins his family on a journey to escape famine. Along the way, he uses modern medical equipment and knowledge to treat the injured and overcome crises, earning everyone's trust. He leads the refugees out of desperation and discovers fertile plains. With high-yield crop seeds and modern farming tools, he reclaims the land, cultivates fields, and establishes a new village. Ultimately, everyone leaves their suffering behind and welcomes a new life of peace and prosperity.