Modern special agent Ji Yunshu unexpectedly transmigrates into the body of a doomed, cannon-fodder princess consort. On the eve of the confiscation of the Northern Pacifying Prince's estate and the family's exile, she awakens a spatial realm. To protect the Xie family and keep Xie Moyao alive, she chooses to stay. Using her medical skills, supplies, and modern survival knowledge, she leads the family through the road to exile while gradually uncovering the truth behind the wrongful accusations against the Northern Pacifying Prince's household.