 The three Gan sisters are mourning the death of their father when they are visited by Prince Lu Tien Hsia, who wishes to pay his respects.Lu informs the sisters that their father's sword, the Purple Light Sword, should be offered to the Emperor.At that moment, the sisters' cousin, Hsu, arrives and warns them that Lu's real intentions are to steal the sword for himself and that Lu and his father had plotted to kill the Gan's sister's father.