In a rest home for elderly people, a daughter reads her mother's diary. Soon events that are mentioned in the mother's diary begin to happen to the daughter....
In a dream Uncle Jack looks through a magic telescope owned by the ghost of a hermit and sees what life was like millions of years ago, including a battle between prehistoric monsters....
在并不遥远的未来，一套趋近真实的模拟系统得到开发，参加者进入模拟系统后仿佛身临其境。系统开发者汤姆·福特（西恩·菲利斯 Sean Faris 饰）及伙伴们不断对其升级，更与军方积极合作，进行实景反恐演练。
某晚，汤姆和另外两名伙伴将系统布置在一座废弃的监狱内，此前，这座隶属于英国政府的监狱曾被用来拷问与911事件有关的恐怖分子，此地阴森恐怖的气氛正好符合汤姆他们的需求。这群充满童心的大男孩进入...