In Iron Kung Fu Fist, Liang Kun, a dedicated Shaolin kung fu master, grapples with the emotional turmoil of losing his beloved after he vows to stay away from the martial arts world to protect her. His life takes a tragic turn when her untimely death forces him to confront the very world he sought to escape. Driven by grief and a newfound understanding of his martial arts philosophy, Liang Kun embarks on a quest for vengeance against the bandit groups responsible for her demise.