As the sun sinks toward evening, travelers still have not returned. The Lin family has a daughter named Mo, though most people call her Mo Niang. Ever since childhood, she has loved poring over illustrated books on Chinese medicine and ancient acupuncture techniques, and she is determined to heal the sick and help her community. At twenty-three, she sets out to sea without hesitation to search for her father, who vanished on a voyage. On the third day of the journey, they are struck by a storm. The merchant ship is wrecked, leaving countless dead and injured. She discovers the reason there are no fish near shore and the fishing boats cannot return. Now the entire crew faces a leaking hull and the risk of sinking! How can she keep going? What kind of adventures await them at sea? Let the waves rage: she will ride them onward!