The Yuqian family, one of the four major families in the world, had their parents, known as "Sparrow Swordsmen", who were highly skilled in martial arts, plotted to death when the four sisters were young. The third sister, who was born with unparalleled spiritual power, was taken away by the head of the enemy's Gong family and adopted as an adopted daughter. From then on, hatred grew in the hearts of the four sisters - when they grow up, they want to make the Gong family disappear from the world! However, the third sister who grew up in the Gong family seems to have feelings for the young head of the Gong family? What is the position of the Nangong family who appears inexplicably?