Nine-Feathered Sword

[Transmigration + putting scoundrels in their place + mastery of both medicine and poison + formidable martial arts + one-on-one, both chaste] She was the future head of a modern family of traditional Chinese medicine practitioners, but was murdered by the uncle she trusted most. In an instant, she transmigrates into the eldest daughter of the Jiuling Mountain Manor in ancient times. At first, she thinks all she has to do is deal with her vicious concubine stepmother and her hypocritical half-sister at home. Who could have guessed that someone in the shadows would keep trying to kill her? At first, she thinks her stepmother is behind it, so after killing the black-clad assassins, she dumps all their bodies in her stepmother's courtyard. But it turns out there is more to the matter, and someone else is trying to kill her. While secretly investigating, she runs into another victim: the young master of Yijian Manor, who is also investigating the matter in secret. They hit it off and form an alliance to investigate together, while each keeps their own agenda and tests the other. Just as they finally overcome the danger and confess their feelings, Song Jiaoyue happens to discover that her arrival in this world was no accident, but the result of careful plotting...