"The First Sword" is a "Class A" Cathay film with many first achievements. Based on a popular martial arts novel in the same title by Tu Kwang-chi, a well-known film director and media veteran, this was his first showcase of his directorship since he joined Cathay. The martial art female lead Melinda Chen plays her very first xia nu role (the feminine swordsperson) in it. Charlie Chin, later a famous actor in Taiwan melodramas, just graduated from the First Cathay Acting Training Course, made his film debut as a loyal member of the Golden Dragon School.During a battle with Wu Qiong, the king of poison, Xie Wuyang, the chief of the Golden Dragon Clan is poisoned. His junior, Tong Wanling risks her life to save him and becomes poisoned herself. At his wit's end, Wuyang seeks Wanling's grandparents for help. Meanwhile, Yan Zongqi plots to overthrow Wuyang as the chief of the Golden Dragon Clan and schemes with Wu Qiong to obtain the secret manual of the Clan.
