When the son of an American man and a Japanese women is killed, the man transforms into Tetsuo.
"The Law of Causality" documents a live perfomance at Shibuya O-NEST, which took place on May 26, 2004. Director of "Tetsuo The Iron Man" Shinya Tsukamoto's crew filmed the gig, which features all new material based around metal percussion and custom intsruments built by Chu Ishikawa.