寫作遇上瓶頸的小說家震明，在咖啡廳看見一個前來應徵工作的日本女孩。靈光乍現的他，決定為這個女孩創作三段不同的故事，隔壁桌的客人、收銀員、店長都成了他筆下的人物。這個女孩叫米卡，不論她是什麼角色，都無法忘懷與她激情的那一個夏日…

　　그녀들을 두고 벌이는 그들의 위험한 내기가 시작된다.　　　　과거엔 뚱녀였지만, 지금은 매혹적이고 섹시한 인기 작가 겸 칼럼니스트로 활약중인 경민.　　근사한 그녀 앞에 나타난 4명의 동창생들 태진, 재욱, 인섭, 정렬.　　그들은 그녀가 운영하는 BAR에 하루가 멀다하고 찾아온다.　　이제는 흡사 아저씨가 되어버린 그들의 목적은 정작 따로 있었는데...　　바로 경민이 운영하는 BAR의 알바생 지수와 은정 때문...　　동창생들은 누가 먼저 그녀들과의 즐거운(?)시간을 보내나 내기를 시작하는데...

　　"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...

这部电影由知名导演打造,主要演员由林倩、陈阳等巅峰人气艺人出演,这部热门短剧有一段令人吃惊的剧情:“...

　　本片改编自现代本格推理第一人绫辻行人的代表作，讲述了在远离拥有十角形奇特外观的“十角馆”的角岛的“本土”，以收到“死者的信”为契机，本不可能相遇的江南和岛田这对组合，在半年前去世的天才建筑师···开始调查中村青司死亡的真相，解开在“十角馆”发生的杀人事件所隐藏的令人震惊的真相。