<Chinese TV Series NOW> ”The Path of the Stars” EP17: Gu Yanxi discovers the mastermind behind the arson incident = Synopsis and spoilers

*This article contains spoilers and synopsis. In EP17 of the Chinese TV series "The Path of the Stars," Gu Yanxi discovers the mastermind behind the arson incident.
Gu Yanxi returns the secret letter from the Hua family and reveals his identity to Hua Zhi. He also confesses that he came to the Hua family to investigate the arson incident at the Lingwang Mansion. However, Hua Zhi
She has lost her memory of what happened at the time. Meanwhile, Shen Huan, who was drugged by Peony, storms into the Flower House with his friends and demands compensation. At the same time, Xia Jin'er
When it was discovered that a servant of the store had embezzled money, he apologized to Hua Zhi. When Hua Zhi treated a worker who had frostbite with saltpeter, Gu Yanxi saw what was happening and noticed the strangeness of the fire scene.
He recalls a phenomenon that occurred during the fire and deduces that saltpeter was the cause of the arson. He then investigates and discovers that the mastermind behind the arson is Xiao, a concubine of King Ling. Xiao is a relative of the queen who is plotting a rebellion.
She confessed that she did it to protect her husband. Gu Yanci did not kill Mr. Xiao, but sentenced him to life imprisonment. Meanwhile, the eldest daughter of the Hua family, Hua Jing, wanted to make the maid, Fu Dong (Yin Yue), her concubine for her husband.
However, Lin Wan refused, and Hua Jing insulted the Hua family, angering them.