It's Hard to Find a Good Doctor: the Reborn Poisonous Concubine Is Not Easy to Mess With

In her previous life, Shen Zhaonuan had an all-out appearance, and was raised by her stepmother to be arrogant and domineering. This leads to the betrayal of the husband and the tragic death of the child. After being reborn, she holds a silver needle in her hand, is a master of medicine and poisoning, tortures scumbag men, fights concubines, seizes great power, and turns her hands into clouds and rain. Push those cold-blooded and vicious relatives in the previous life into the pit of fire. But why can't I get rid of the rumored cruel and cold-blooded man?