In Tetsuo II: Body Hammer, the protagonist, Taniguchi, undergoes a radical physical transformation after witnessing the kidnapping of his son by a mysterious group of individuals. Fueled by his rage and desperation, Taniguchi's body begins to merge with various metallic objects, turning him into a powerful, biomechanical being.
As Taniguchi's transformation progresses, he becomes increasingly detached from his humanity, embracing his newfound abilities and seeking revenge on those who have wronged him. Along the way, he encounters other individuals who have also undergone similar transformations, leading to intense and surreal confrontations.
Throughout the film, themes of identity, technology, and the dark side of human nature are explored, culminating in a climactic showdown between Taniguchi and his adversaries. The dynamic visual style and unconventional narrative structure of Tetsuo II: Body Hammer make it a unique and compelling entry in the cyberpunk genre.