Kaneko is a genius computer programmer and is best remembered as the creator of Winny, a peer-to-peer file-sharing programme. Released in 2002, it quickly became the software of choice for online piracy in Japan, in much the same way that Napster had in the West. But while Napster’s creators walked away free to pursue other ventures, Kaneko was arrested and put on trial for enabling copyright violations.

Despite enthusiastic support from his defence lawyers, Kaneko was found guilty for creating Winny in 2004. The judge’s decision, obviously given to serve the greater good, however, caused more damage to the blossoming technology industry in Japan. This case then quickly become sensational not only in Japan but also globally. At issue is a question that continues to plague the tech industry today.

This powerful film by a young but promising director, Matsumoto Yusaku, offers a cinematic account of the tragedy that befell Kaneko and Japan, makes us wonder whether creators can be held culpable for how others use their work.

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