<https://www.detectiveconanworld.com/forum/topic/19710-movie-26-the-black-iron-submarine-%E9%BB%92%E9%89%84%E3%81%AE%E9%AD%9A%E5%BD%B1/#comment-400670>
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"UPDATE:\n \n\n\n\tHere's a plot summary, courtesy of Weibo and reddit user arcticantls:\n \n\n\n\n\n\t \n \n"
<https://www.detectiveconanworld.com/forum/topic/19710-movie-26-the-black-iron-submarine-%E9%BB%92%E9%89%84%E3%81%AE%E9%AD%9A%E5%BD%B1/>