A black iron knife, passed through three lives, created three stories. In the hands of a hero, it can achieve heroic hegemony; in the hands of a chef, it can cook the world's delicacies; in the hands of a lover, it can achieve love. In the past, in order to obtain the peerless black iron and refine the peerless sword, he killed his brothers alone, robbed his father's tomb, and looked for the blacksmith Tang Pangzi who had lived in seclusion for many years. However, he was deceived by Tang Pangzi in the end and did not have a good end. Tang Pangzi refined the black iron into a kitchen knife and passed it on to the young Bada Chan. Many years later, Bada Chan became the number one chef of South Beauty and became famous. In order to get the sword, the mute (played by An Teng Zhengxin) killed his enemy to avenge his father, so he used a trick to get close to Bada Chan and killed him after learning the true teachings. However, after sacrificing the innocent, the mute did not kill the enemy himself, but the enemy died unexpectedly in front of the mute. The mute, who suddenly realized, has been living in seclusion at the bottom of the valley ever since. The butcher Shao Sanliang falls in love with the courtesan Mei Niang (played by Zhang Yuqi) in Wanhua Tower. However, even if he tries his best, he cannot see Mei Niang and suffers humiliation from Yidaoxian. Disheartened, he jumps into a deep valley on a rainy night, survives the disaster and meets a mute who steals the black iron sword. When he returns to Wanhua Tower again, he kills Yidaoxian and marries Mei Niang. However, on the day of the wedding, he finds that his love for Mei Niang is just a beautiful mistake... This film is the first masterpiece of the "Asian New Star Gravity Film Project", adapted from An Changhe's novel "Legend of the Cleaver", and is hailed as the first pioneering martial arts comedy in China.