On the night of the destruction of the family, they were scattered everywhere. After three years of dormancy, she accidentally learned the "two skills of medical swords" that have been lost for centuries in the wind and snow of a run-down town - her left hand can heal bones, and her right hand can cut mountains and rivers with a sword. When she reunited with him as a military doctor, he was stained with blood on his shirt, and the silver needle in her hand not only saved his life, but also hid murderous intent. Who will be dragged into the abyss in this game that uses medical skills as bait and revenge as hook?