基于真实改编。本片发生在1960年代的匈牙利，以系列残暴凶杀而出名的小镇马特福。真凶被缉拿归案7年后，凶杀再次降临小镇，手法如出一辙，是误判还是效仿？本片中的社会主义国家匈牙利，存在令人窒息的社会、政治和心理博弈，当局者很快发现自己陷入了错综复杂的阴谋和令人不安的戏剧网络中。
一群年轻学生选择在巴塞罗那开展“伊拉斯谟”项目。所有人都有同样的决心尽情玩乐。西班牙学生蒙策在家里接待了这群“伊拉斯谟”成员参加国际学生晚宴，一晚的娱乐变成了数小时的恐惧和恐惧。。。
The film starts with a masked killer entering an apartment and murdering a young couple, Krish and Shruti one cold, rainy night in Coimbatore. Five years later, Deepak, the retired police inspector who lost his leg while investigating the case, receives a call from a friend. The friend's son is adamant on becoming a police officer. So, the friend sends his son to Deepak so Deepak can brainwash him into not joining the force since his parents feels it is too dangerous. When the son arrives, he asks Deepak to tell him how he became crippled. Deepak begins to narrate his story of the final case that robbed him of the job he loved.