The Midnight Murder(1967)

The heroine, Liu Yanniang, is a beautiful and virtuous woman who is in love with her husband, Wang Zhengtu. However, because of her disagreement with her sister-in-law, Yuhuan, who was unfortunately killed, Yaniang was mistakenly accused of murder by the king's mother and her husband's son-in-law. The governor of Suzhou, Mr. Yan Wentian, is very strict with the king, but just when he finds a clue, the witness is killed again. Yen is not satisfied with his efforts, but he realizes that the murderer has already come to his doorstep.