A girl that has dated many men accidentally reincarnated as a lady from a marquis family. After her father died, she inherited his peerage and owns a castle with mesmerizing wealth. She also got a duke as her fiancé. But just when she thought that she had reached the peak of her life, she realised that everything is not as simple as it seems. All the treasures and money were stolen by her family and her fiancé that's in charge of the robbery case will soon investigate into her.

阅男无数的女海王一朝失误，开局穿越成了侯爵小姐。她在父亲死后继承了爵位，不但坐拥一整座城堡和惊人的财富，还有一个帅气的公爵未婚夫，刚刚以为自己走上人生巅峰，却发现事情并没有那么简单。家族的宝贝和钱都是偷来的，而负责调查失窃案的未婚夫也即将查到自己头上！