A young couple retreat to a glass house for two weeks of celibate self-improvement but are disturbed by a lost hiker. As the stranger reveals more of himself, their feelings move from pity to revulsion and they must make a decision about what to do with him. But when the crisis is seemingly settled, strange forces compel all three to replay this scenario again.。在能源日渐枯竭的时代,发现可从锶合金矿石(ジャパニウム鉱石)中提取超级能源“光子力”,并以日本热海为光子力实验都市。觊觎光子力、企图征服世界的地狱博士,所属阿修罗、布洛肯军团及机械兽向光子力研究所发动进攻,兜甲儿驾着其祖父制造的超级机器人“魔神Z”挺身而战……。。