After her mother falls into a coma and her gambler father tries to seize the family fortune, Gu An'an agrees to marry Huo Siwen to protect her inheritance. However, she meets Huo Siting, the overlooked second son, and as they form an alliance, a forbidden romance quietly unfolds.
The film "The Master of the Supine Armor" tells the strange case of Wushan Town caused by the four major evils. Jiang Yingluo, the head constable of the patrol division, and Du Fengbo, the heir of the Supine Armor Sect, are involved in this case and conspiracy that has been hidden for decades.
At the end of the Ming Dynasty, the martial arts was turbulent. Master Mu’s family retreats to practice. On the night of his departure, his son Mu Zhengtian’s wife gave birth to a baby boy. Master Mu was excited.