一个女生来到自己曾经住过的房间，去归还钥匙，却意外发现房间里面的气息都变了样，现在的房间住着一位生活很有序，以致有点偏执的男生，家里一切都井井有条，甚至枯燥。她开始对房间的新主人有了好奇心，于是她在房间里，开始了自己的计划，收藏项链的各个零件，捉迷藏般的小情趣开始了
一群学生在一个封闭的古堡里庆祝新年，但是他们抵达不久之后，一些奇怪的现象让人不安，本该开心的跨年却变成接二连三的悲剧...
"Do you want to do it...?"rnThe fatal seduction of...the "Challenge Game"rnFlorist 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 Ale...
