Case of Jin Zhiying Imprisoned in Chu and the Zheng Merchant's Rescue Attempt

During the Spring and Autumn period, Zhiying, a minister of the state of Jin, was captured by Chu forces at the Battle of Bi and imprisoned in Chu. A merchant from the state of Zheng, traveling to Chu for trade, sympathized with Zhiying and planned to secretly rescue him by hiding him in a large cloth sack and smuggling him out of the state. When the merchant presented the plan, Zhiying declined, arguing that escaping covertly would be an act of disloyalty, violating the duty of a captive official to his state and bringing dishonor. He resolved to wait for a proper, lawful resolution. Shortly thereafter, Jin initiated diplomatic negotiations and arranged a prisoner exchange, offering the Chu prince Gu Chen and the body of Chu official Lian Yin Xianglao in return for Zhiying. King Gong of Chu accepted the proposal and released Zhiying, allowing him to return to Jin honorably.

No formal trial was conducted. Zhiying refused the merchant's rescue attempt on moral grounds and was later lawfully repatriated through an official prisoner exchange between Jin and Chu.

Whether a captured official should accept a private citizen's illegal, clandestine rescue plan and breach imprisonment, or uphold loyalty and state protocol by awaiting a lawful diplomatic resolution.

Zhiying's steadfast adherence to loyalty and propriety was extolled as a model of integrity for ministers and officials, reinforcing the Confucian values of righteousness and state service. The merchant's scheme, though rejected, highlighted the spirit of righteous private initiative among common people. The case has been cited in Chinese legal and ethical writings to illustrate the correct conduct of captives and the primacy of state-sanctioned channels over individual rescue plots.