How Dare a Sickly Beauty Make a Mistake?

"Sick, scheming beauty v sinister and restrained commander" It was said that the second wife of the Jiang family recognized a bastard with a sweet and quiet temperament, but little did they know that he was a black-hearted madman. Jiang Luoyi changed her identity and became the second girl of the Jiang family for revenge. A murder case aroused the suspicion of Shen Chishu, the commander of the suppression department. From his pressing step by step, to the two using each other. There is a calculation hidden under the weak appearance. They are contracted to be husband and wife for three years, and she will make the best use of this marriage. No matter who is in the way, she will eliminate them one by one. Shen Chishu approached her from the beginning just to take advantage of her, but I don't know where his heart began to drift. He was deeply involved. Should he keep her or kill her? In a chess game, if the hand holding the chess falls in love with the chess piece, will he really give up everything for her? "Demining: None of the protagonists are good people. The female protagonist has other emotional lines besides the male protagonist. The male protagonist and his male counterpart are both mentally and physically weak."