安娜在床上醒来,脑袋因为前一夜的狂欢有些昏沉疼痛。她打开手机,发现新增一款名为“伊丽丝”(IRIS) 的神秘互动APP;它将好姊妹出轨的证据偷拍下来,还将不雅照、私密影片和讯息散布至脸书,监控她的生活,周遭朋友纷纷卷入,陷入恐慌。 安娜用尽一切办法,欲将伊丽丝移除,却引来致命杀机。不甘居于劣势的她,决定正面迎击…。A young psychology student is drawn into the dark and fearful world of a diabolic and mysterious App that starts to terrorize her, distributing compromising photographs, videos and text messages about herself and delves deeper and deeper into her personal life, flawlessly exposing all of her deepest secrets. Originally in Dutch, international version dubbed to English.