The Angry River (Chinese title: 鬼怒川) is a 1971 Hong Kong fantasy action film directed by Huang Feng.

Lan Tin-lung, master of the Liangyi Castle, calls upon all upright swordsmen to help wipe out the notorious Lunar Sect.

The herb she eventually gets, leading 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 Ga Tueng, who is of the Hua Shan School.

Lan Feng returns home to find the entire castle in an aftermath of the attack by Lunar Sect.