When Shen Wantang was pushed into the sedan chair by her aunt, there were still tears under her hijab. By marrying the Marquis of Zhenbei, who was rumored to be a murderer without blinking an eye, his life was sealed for his eldest sister. During the wedding night, the man lifted the hijab and put the knife on her neck. She said with a trembling voice: Mr. Hou, I know who betrayed you three years ago. The knife did not fall. She survived, but had a hard time. There are spies in the house, sworn enemies in the court, and a murderer lying next to him who may turn against him at any time. She had been a coward all her life in her previous life, and she didn't want to die again in this life. But the problem is, everything she knows can kill someone.