安娜在床上醒来，脑袋由于前一夜的狂欢有些昏沉疼痛。她翻开手机，发现新增一款名为“伊丽丝”(IRIS) 的奥秘互动APP；它将好姊妹出轨的证据偷拍上去，还将不雅照、私密影片和讯息散布至脸书，监控她的生活，周遭冤家纷繁卷入，堕入恐慌。 安娜用尽一切方法，欲将伊丽丝移除，却引来致命杀机。不甘居于优势的她，决议正面迎击…。 Anna woke up in bed, because the head the night before the carnival and some pain. She opened the mobile phone, found a new name "iris" (IRIS) of the mysterious APP interaction; it will be a good sister derailed evidence will be filmed, indecent photos, videos and private message spread to Facebook, monitoring her life, his friends have been involved in panic. Anna crook, to remove the eriss, but lead to fatal murder. To advantage in her decision to tackle....