The plot introduces us to a psychologist who suggests to three couples that they engage in a group session, where they will have to analyse each other without her being present. In order to do so, she has left them a number of envelopes containing instructions on the things they have to address. The method she has proposed encourages everyone to share their opinions, argue with...。几个青春期的少年发现警察邻居是连环杀手,他们开始花时间监视这位邻居。但随着他们越来越接近发现真相,事情变得危险。。