The Darkest Sword, also known as Hei jian gui jing tian (Chinese: 黑劍鬼驚天), is a 1970 Hong Kong action martial arts film directed by Lung Chien, produced by Yuan Hsiang Wu, and starring Ching-Ching Chang and Pin Chiang.
Tun-Shan is grieved because he unintentionally killed an enemy and doesn't want to fight anymore.
Meanwhile, Su-Chen, in love with him, convinces him to start fighting again.
This article related to a Chinese film of the 1970s is a stub.
You can help Wikipedia by expanding it.