Tetsuo: The Iron Man (1989)

Plot

A man obsessed with metal, tormented by maggots infesting his self-inflicted wounds, encounters a horrific fate when he is struck by a car driven by a Japanese businessman and his girlfriend. Believing they can escape the consequences, they dispose of his body. Instead of relief, the businessman becomes haunted by a terrible curse that begins to turn his flesh into iron, leading him into a nightmare of transformation and madness. As his body changes, he faces the terrifying repercussions of his actions and the dark forces at play.