Su Hengzhi was the second daughter of the Su family's third concubine. She didn't even have a genealogical title. She earned 2 taels of silver per month and lived in a side house in a side courtyard. Her aunt, Shen Peilan, regarded her as a loser, while her aunt, Su Wanning, used her as a punching bag. Family rules: concubines are not allowed to enter the ancestral hall, are not allowed to marry independently, and are not allowed to meet alone with foreigners. But Su Hengzhi had a secret: she was proficient in English and French, which she learned secretly from the palace notes of the previous dynasty and the unofficial histories of foreign missionaries. That autumn, the Su family silk shop was priced down by foreign banks, and the eldest son Su Bainian was speechless at the negotiation table. Su Hengzhi hid behind the screen and spoke directly to the president of the foreign businessman in fluent French. She not only raised the price of silk by 30%, but also intercepted the accounts of secret reselling by direct relatives. The whole place was in an uproar - a concubine girl dared to cross the family head and do business with a foreign country? My aunt was furious and wanted to punish her according to the clan rules. Su Hengzhi took out the lawyer's letter from the French Concession and said, "According to the charter of the concession, as the negotiating agent, I enjoy immunity from foreign affairs." From this moment on, no one in the Su family could cover her mouth. In the Concession Court, she fought against the false accusations of her direct relatives; in the board of directors of Chinese businessmen, she became the first female director; at the banquet of wealthy families in Shanghai, she exposed Lu Caiwei's mixed-race identity conspiracy in English. The iron law of concubine? That's a rule for people who can't speak foreign languages. But when she reaches the top, a mysterious letter from Paris reveals the true identity of her biological mother - she is actually the daughter of a secret envoy sent to France by the previous dynasty. And Gu Jingxing, who had been protecting her secretly, suddenly asked her a question in Sanskrit...
