After bandits hijack a shipment of rice, a local government official frames, tortures and imprisons the man in charge of the shipment in a desperate power play to take control of the region.

Ton Chard is a vicious murderer, who terrifies people with his crimes. He is protected by his father, the powerful Shi Fong, ruler of the district. Su Ma offers herself to seek and arrest the criminal. Once done that, she has to take him to the law court where he will be judged. But Shi Fong will do everything to stop her.