头脑玄机

　　An experimental drug that is supposed to reduce aggression has the opposite effect on a baboon that is being experimented on by a group of medical students and their professor. While they are playing a fantasy role-playing game in their research facility, the baboon escapes and begins hunting them down.

现代科技飞速发展，各种通讯手段越来越先进，极大拉近了人与人之间的距离，也让人们的隐私无处遁形，甚至生命也受到极大的威胁。 　　某高中，近段时间流行死亡连锁信，该信件通过邮件发到他人的电脑和手机上，一经收到应立即转发，否则将有生命之虞。电脑游戏迷内尔·克纳斯（Cody Kasch 饰）偶然收到一封连锁信，他和姐姐瑞秋（凯瑞琳·威尔森 Cherilyn Wilson 饰）玩笑般地发给了约翰尼·琼斯（麦特·柯汉 Matt Cohen 饰）、杰茜·坎贝尔（妮姬·里德 Nikki Reed 饰）、丹特等好友，朋友们也将其视作笑话，或删除或转发，全然不放在心上。然而恐怖居然降临，是夜，约翰尼被人残忍杀害。邪恶变态的锁链杀人魔越走越近……