改編新生代作家 Ayako Pallus 小説現代長編新人賞的同名小說

一天，日本宣佈將接收來自外星的難民Ｘ。他們複製了人類外表並融入地球人的日常生活，多年下來已經有多名X移居地球，甚至有不少傑出的演員、藝術家、慈善家。面對未知的事物，人們心中充滿了難以言喻的恐懼和焦慮，X的存在因此引發社會爭議。野心勃勃的週刊記者笹憲太郎（林遣都 飾），一心想揭發Ｘ的真實樣貌，他鎖定的頭號目標是兩名在超商工作的女性：文靜、總是深居簡出的柏木良子（上野樹里 飾）以及來自台灣的留學生蓮（黃姵嘉 飾）。笹隱瞞自己的真實身份接近良子，卻在調查過程中愛上了良子，夾雜在愧疚感和記者的職業尊嚴之間，?愈來愈迷惘，究竟可疑的是看起來與周遭格格不入的她們，還是心懷恐懼與排斥異已的自己？

The Earth receives an influx of X refugees, who were deported from their home planet due to a dispute. Countries on Earth agonize over how to deal with the influx of these interplanetary immigrants. The American and Japanese governments announce that they will accept X refugees. The X refugees transform their appearance into human beings and live among ordinary humans. Residents in the host countries are unable to distinguish X refugees by appearance and they have no idea if any of them live among them. People become anxious, confused, and afraid of the X refugees and they try to find the refugees who may live among them. Kentaro Sasa is a weekly magazine journalist. For a story, he hides his identity as a journalist and approaches Ryoko Kashiwagi, who is suspected of being an X refugee. He gets close to her and becomes to have feelings for her, but he's not certain if she is human.