While leaving Canjiangyue, Song Yimeng was captured by Ronghua who came to search for it and returned to the Qianyu Prince's Mansion. Gao Changyin also came to the Seventh Prince's Mansion at this time and exposed Nan Heng's identity as Li Shiliu. He threatened Nan Heng to deal with Shangguan He, otherwise it would be him, Gao Guifei, and even the entire Gao family.In the Qianyu Prince's Mansion, Song Yimeng's attitude of defending Ye You Shen angered Chu Guihong. He didn't understand why bad people did bad things. Song Yimeng was surprised, but he, who had always been a good person in the eyes of the world, would be criticized if he used thunderous means.

Chu Guihong began to doubt the creed he had always adhered to.In the court, Chu Guihong and Nan Heng were bothering each other about Shangguan He's affairs. The emperor was furious and issued an order to kill Shangguan He.In order to force Nan Heng to prove his innocence, Gao Changyin deliberately asked the emperor to order Nan Heng to be the prison officer and strengthen the guardian of Shangguan He, in an attempt to cut off the possibility of Nan Heng robbing the prison.Upon learning that Shangguan He was going to be executed, Song Yiting asked Song Yimeng to help.
Song Yimeng found Ye You Shen’s hiding place through his connections in the martial arts world, and wanted to start from the case that year and wash away Shangguan He’s injustice.From Yeyou God's mouth, Song Yimeng learned about Nan Heng's affectionate and righteous side. She was shaken in her heart. Which side is the real Nan Heng?What kind of person is he?