### Story summary
- **Encounter between a socialite and a reporter**: Jian Ying, the third daughter of the Jian family, accidentally bumped into Jin Zhenxi, a down-and-out young man who secretly photographed Japanese businessmen at her father's birthday party. She was attracted by this mysterious man and began to investigate his background and the Jin family's past.
- **Test of approaching in disguise**: Jian Ying disguised herself as a man and sneaked into the newspaper office to approach Jin Zhenxi, and the two started a cat-and-mouse game. At a critical moment, Jian Ying used her family name to rescue Jin Zhenxi who was besieged by Japanese ronin, and the two established initial trust in the danger.
- **Truth and emotional entanglement**: Jian Ying discovered that family documents may involve the truth about Jin's father's death, and cooperated with Jin Zhenxi to investigate. The common experience in the slum clinic made the two people emotionally warm up, and they exchanged tokens to express their feelings.
- **The choice of family and love**: Jin Zhenxi discovered the connection between the Jian family and the death of his father, and had a fierce conflict with Jian Ying but then reconciled. After Jianying was arrested for participating in a patriotic parade, she was put under house arrest by her family and a marriage was arranged. The two decided to elope.
- **Life and death test and betrayal**: Jin Zhenxi was kidnapped and tortured by Japanese agents, and Jian Ying took the risk to rescue him who was seriously injured. The two confirmed their feelings between life and death and decided to reveal the truth together, even if it meant the destruction of the Jian family.
- **Revelation and Rebirth**: The trio reveals the conspiracy of the Japanese businessmen and the betrayal of the eldest brother of the Jian family. After the collapse of the Jian family, Jian Ying and Jin Zhenxi left Shanghai to start a new life, adhering to love and ideals in troubled times.
This writing focuses on the first encounter and subsequent development of Jian Ying and Jin Zhenxi, showing how two young people from different worlds were attracted to each other during the Republic of China, and the conflict they faced between family secrets and patriotic feelings.
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Purpose: Republic of China