Crazy? I, the Mercenary Queen, Dress up as a Country Educated Youth

(Era + slap in the face + revenge + double cleanliness + evenly matched + no space + no golden finger) Su Xiaoxiao was originally the eldest lady of the Shen family, but she was replaced and made younger. She was squeezed, plotted, married to a rough man, and finally returned to the Shen family. Her adopted sister took her place and became the eldest lady. Not only did she have a good fiancé. Her husband bullied her adopted sister, causing her to be thrown back to the countryside by the Shen family. They broke off the relationship, committed suicide due to depression, and later exchanged her for the mercenary queen "Yuesha". Let's see how she takes revenge and repays injustice. But why does that man with a boyish appearance have a scar on his abdominal muscles, just like the man who saved her?