Lin Xiuqin, the third-generation inheritor of Southern Fujian fish lanterns, faces the commercial encirclement, suppression, and malicious destruction of cultural and creative businessman Zhao Lei. She always adheres to her original craftsmanship intention, joins hands with family members such as her husband and daughter, as well as old street neighbors to fight side by side, defeats conspiracies, prepares for the intangible cultural heritage competition, and finally establishes an intangible cultural heritage inheritance cooperative, making the century-old fish lantern craftsmanship shine with brilliance in the new era, highlighting the power of intangible cultural heritage inheritance and neighborhood warmth.