结婚纪念日的不忠

 一对年幼的兄弟跟家人一起从大城市搬到偏远小镇，却发现新家并不单纯。他们能否与新朋友们一起解开家中的险恶谜团？

　　British Army radiation drills at a remote Scottish base attract a subterranean, radioactive entity of unknown nature that vanishes, leaving two severely radiation-burned soldiers... and a "bottomless" crack in the earth. Others who meet the thing in the night suffer likewise, and with increasing severity; it seems to be able to "absorb" radiation from any source, growing bigger and bigger. What is it?? How do you destroy a thing that "feeds" on energy?

系列时隔约30年的2D剧场版动画，故事讲述鲁邦三世为夺取地图上未标注的神秘岛屿中沉睡的巨额宝藏，直面生涯最大考验