Crash-landed alien Harry takes on the identity of a small-town Colorado doctor. Arriving with a secret mission, he starts off living a simple life…but things get a bit rocky when he’s roped into solving a local murder and realizes he needs to assimilate into his new world. As he does, he begins to wrestle with the moral dilemma of his mission and asking the big life questions like: “Are human beings worth saving?” and “Why do they fold their pizza before eating it?”

1977年11月15日，住在新泻的13岁的中学生横田惠美在放学途中失踪了。警方怀疑是诱拐或者离家出走并开始调查此事，惠美的两亲在电视台的帮助下也开始了寻找，但是一直没有惠美的消息。2年过后，惠子的母亲早纪江怀疑是和日本海侧频繁发生的与朝鲜诱拐失踪事件有关，开始了长达20年的深入调查……