The Angry River
Lan Tien-lung, master of the Liang Yi Castle, Calls upon all upright swordsmen to help wipe out the notorious Lunar Sect.
But he is soon fatally wounded by the Sect’s leader, nicknamed King Hell. Lan's daughter, Lan Feng, sets out to find a precious herb capable of curing her dying father.
The herb she eventually gets leads her to a series of hectic confrontations with those who also covet the priceless medicine. She befriends Leng Yu-han, who saves her from being molested by a wicked man, Ma Chia-tang, of the Hua Shan School.
Lan Feng returns home to find the entire castle in an aftermath of an attack by the Lunar Sect. Her father is among the dead.
In a fit of despair, she swallows up the herb, and has her ability tremendously strengthened up instantly. With Leng's help, she storms the stronghold of the Lunar Sect. King Hell is killed in the battle that ensues.