At the beginning of the story, the heroine Ruhua makes a gorgeous appearance. This mysterious masked man dressed all in black takes risks and comes to the casino for the sake of the poor little girl. He is angry about his gambling addiction and wants to sell off his property.The girl's father accidentally met Xiu Hao, an officer of the Imperial Guard Camp who was undercover investigation. Unexpectedly, he turned around and fell in love with her at the first meeting, and the two fell in love with each other.

After escaping from the casino, Ruhua quickly returned to the mansion. It turned out that she was the eldest daughter-in-law of the most famous family in North Korea. However, Ruhua became a widow without even meeting her husband. She has been a widow for 15 years and has been forced to suffer by her mother-in-law.Keep the ancestral hall to cultivate your moral character.

On the surface, Ruhua is a chaste and loyal girl who never leaves the house, but at night she transforms into a man in black and goes around doing chivalry and justice. In fact, Ruhua's parents died when she was young, and she and her brother depended on each other. But one day, her brother died in an emergency.The queen never came back and has not been heard from since.The sinister family elder insisted on marrying her to the left prime minister's family to gain benefits, but because her husband died on the day of the wedding, she was named a widower. She remained a widow for more than ten years. In order to protect more people who were as ill-fated as herself, sheAnd at night, he appears and disappears, acting chivalrously and righteously.

Xiu Hao, who was looking for the mysterious woman, learned that every night women would walk over walls and help poor people everywhere. He never thought that he could meet someone with the same ideas as him. Xiu Hao sincerely wanted to meet this righteous female knight; Xiu Hao also hadA sad childhood memory. He had been unlucky since he was a child. One day, a group of black-clad assassins suddenly came to his home and killed both his parents. His own life was also hanging by a thread.

One day, Xiuhao, who came to the temple to pay homage to his parents, happened to meet Ruhua who was about to go to the temple to pray for his brother. He mistakenly thought that Ruhua had been robbed. Xiuhao, who had a strong sense of justice, wanted to be a hero to save the beauty, but Ruhua fell into the embrace of love again.But Xiu Hao never thought that the woman in his arms was actually the traitor he was ordered to capture?