Later, the shopkeeper of that restaurant committed suicide by taking poison, and the case became a headless mystery. At that time, the biggest suspect was King of Chu. King of Chu, Murong Yuan, was the second prince of Great Yong. After the death of the Prince, he was the most likely candidate to become the Prince, and also the most likely to act against the Emperor.
However, after a long investigation, there was no definitive evidence to prove it was King of Chu. There were also seven or eight other princes present, making the case very complicated. The Emperor, concerned about the royal reputation, and not wanting to damage the reputation of his sons, ordered the matter to be closed and not mentioned again. Thus, the matter came to nothing.
