Transmigrated from the apocalypse, Isola inhabits the body of an exiled criminal woman in the Northern Lands. She is forced to marry Kaelen, a centurion of the rangers. With her harvest‑god superpower, she identifies herbs, grows crops and runs handicraft businesses, lifting her destitute household to prosperity. She fights against her jealous old acquaintance Serena. Amid barbarian threats on the frigid northern tundra, she carves out a spring of her own.