Lin Xi, a modern agricultural professional, unexpectedly transmigrates into a novel and becomes a noble young lady of the Lin family sentenced to exile for a crime. She takes her family to the remote, wild, hot and humid Yazhou in Lingnan. Using her agricultural and wilderness survival knowledge, she makes use of local resources to secure food, shelter, and basic necessities. She clears wasteland and grows crops, opens a restaurant, and gradually develops industries such as South Sea pearl cultivation and maritime spice trade, leading her family from desperation to prosperity and establishing their roots in the southern frontier. Along the way, she meets the upright General Chen of the naval forces. Together, they foil the schemes of corrupt local officials and resolve the suspicions of powerful figures at court. In the end, the two fall in love amid mountains and seas, and the whole family enjoys a stable and prosperous life beside Lingnan's blue waters.