In a disastrous typhoon year, the Guan family faces a difficult plight, and Liu Su-niang rescues an orphan, Rui Rui, from the beach. Rui Rui is naturally sharp-nosed, and the ugly stone in her hands that people mock turns out to be precious ambergris. She can distinguish treasures and inspect dangers, seeking sea blood grass to cure Guan's father, accompanied by a spiritual purple sea mink. After the family's financial situation improves, black-hearted profiteers come to make trouble. The Guan family and villagers brave dangerous reefs and go to the provincial capital to expose fake goods, repelling incoming fleets. In the end, Qingling Village sets rules to protect the sea, and everyone unites to guard the bay.