Modern time-traveler Jiang Dadong arrives in the Dazhou dynasty during a barren year of famine with a mysterious spiritual spring dimension, leading his young brother and grandmother on a survival journey out of a disaster-stricken small village. Relying on modern knowledge to heal the sick, reclaim land, and excel at the capital's academy, he establishes a firm foothold step by step. Facing Marquis Dingyuan's reward for fellow time-travelers and court intrigues, he keeps a low profile, outsmarts greedy relatives, and paves a secure path for his family in troubled times.