Artificial intelligence is infiltrating every level of the armed forces, from infantry on the front lines to command centers conducting global-scale operations. A terrifying behind-the-scenes look at this high-stakes issue, following military-funded scientists racing to build this technology and ethicists scrambling to awaken the world to its apocalyptic potential.

带着孩子的单身母亲来到东京打拼，孩子寄居在开杂货店的叔叔家里，和当地孩子打成一片，和堂弟也相处融洽，还和一个女孩交上了朋友，其母是旅馆老板，还是另一个镇上一个生意人的情妇，对女孩极为苛刻。男孩母亲在旅馆里打工，渐渐地与旅馆某位客人产生了感情，并辞职了。两个孩子的命运究竟会如何呢？

这一晚，窃贼老李（范伟 饰）进入一处破旧的居民楼内行窃，不料却目击了一场命案：神秘女子（朱珠 饰）离奇被杀，就在老李拼命制伏凶手阎正（张颂文 饰）之际，外卖员马明亮（窦骁 饰）突然也莫名其妙地出现在这个房间之内。三人一头雾水，全然不知对方身份，不断反转的剧情即将揭开层层真相……

"Do you want to do it...?"The fatal seduction of...the "Challenge Game"Florist Ae-ran (Vicky) and forensics investigator Min-ho (Choi Ryeong) from the Public Prosecutor's Office both have a family that everyone wants. However, Min-ho can't handle bed time so Ae-ran starts a 'challenge game' in which she seduces and has sex with strange men. One day, Ae-ran and Min-ho meet Alex (Choi Hyeon-ho) at a tango cafe. Alex is interested in Ae-ran and approaches her while Ae-ran takes interest in Alex who is more handsome than her husband. Min-ho later witnesses them in action and gets angry when he finds out the man Ae-ran seduced is Alex. Min-ho feels nervous because he finds out Alex isn't just a game partner and approached him for a reason. Min-ho tries to get rid of Alex but Alex chokes Ae-ran and Min-ho even more and feels catharsis. The game they started is turning into a catastrophe...