不是爱情就是性

 韩国首尔某个平凡的早上，广播电台Daily Topic节目的主持人尹英华（河正宇 饰）正就税率改革与听众进行连线，这时一个自称住在首尔昌信洞的普通工人朴鲁圭打入电话，大肆抱怨超高的电费和相关部门对他的威胁。尹英华颇不耐烦，以偏离主题为由强行切断电话。谁知连线无法单方面由电台方面中断，愤怒的朴鲁圭继续抱怨，并扬言炸掉汉江大桥。尹英华不以为然，进而怂恿对方想做就做，谁知话音刚落，窗外的麻浦大桥便炸作废墟。大惊失色的尹英华很快冷静下来，他决定利用这次难得的机会打一次事业的翻身仗。在他的主持下，针对恐怖分子的连线直播就此展开，无关良知的节目拉开帷幕……

Four friends wanted to get away from it all for a birthday celebration in a remote country house, but when a mysterious injured man turns up on their doorstep telling tales of a city ravaged by a mysterious epidemic and the looters who have pursued him, the friends rally to help. As the night progresses, it becomes clear that all is not as it seems, plunging the friends into a battle for survival that challenges their deepest fears.

　　Two estranged brothers come together and discover old family secrets after inheriting their grandfather's property. As their friends start to go missing, they fear they are being stalked by a creature lurking in the shadows.