Watcha原创音乐综艺是歌谣界十位代表爱豆通过充满突破性的舞台，为争夺"最佳二重奏"组合进行竞演。该节目由演员金知硕，喜剧人张度练作为MC，任瑟雍，张贤胜，李泰欥，金仁诚(SF9)， 金东汉(WEi)， 孔敏智， 孝琳，朴草娥，全志佑(KARD)，Monday(Weeekly)等十位爱豆出演。。在一个仅有215名居民的封闭小镇Irénée-les-Neiges里，其中一位居民Simon Dubé死于意外车祸，这起悲剧也使得Dubé、镇长与其他镇民生活蒙上阴影。在这个充满哀悼与沉重的时候，迷雾中开始有陌生人出现在小镇，他们究竟是谁?。A strange man comes into a house with only the wife. He says he'll leave after a shower and a meal, but his actions are exactly like the husband's. What has happened? He says that he learned everything from a friend he knows...
A woman who is taking rice cakes around is held hostage with the wife. The man gets drunk and reveals the truth about her husband. The wife feels more scared about her husband now... Ji-min returns home and is angry and appeals that he is not a friend that he knows. He wants to kill the strange man...。
