In Quanzhou in the Southern Song Dynasty, the sea breeze was salty and the coins jingled. The female ship owner Hua Qingyan holds the monsoon pattern chart "Send the Wind" handed down by her ancestors. She takes the lead in the spice trade, but she attracts scrutiny from the shipping department and suspicion from her peers. She predicts merchant ships with precise monsoon calculations, formulates strategies, and navigates the gap between officials and merchants, wind and waves with ease. When accusations of "monopoly profiteering" came, Hua Qingyan made an astonishing move - sharing the secrets of the monsoon and promoting the establishment of the "Maritime Silk Road Chamber of Commerce". This is a maritime revolution that uses science to fight disorder and sharing to challenge greed. See how Yunfan in Quanzhou Port uses the power of the monsoon to write a "Yunfan Economics" where fairness and wisdom are intertwined.