郑家村，突然发生了一系列似怪异的事件。 众人来到郑家老宅，郑浩民在了解情况后，特邀请曾经的同事，考古学教授张信安前来一同进行科学调查。 张信安等人来到郑家村与郑浩民等开展了一系列的调查工作。 张信安在观察了郑家老宅后，从科学依据做出判断，郑家老宅四面环山傍水，阴湿气重，在地理上形同一个低洼混区，导致磁场混乱，各种正常人感知不到的微弱电波无法散发。 就在调查即将接近真相的时候，两位教授遭受莫名攻击，陷入可怕幻觉，导致两人当场昏迷。 事态进一步恶化，破开迷雾的重任压在了韩斌和张紫涵这一对年轻恋人身上。 韩斌在经过一系列的诡异后终于找出缘由。
A clever fortune-hunter with a penchant for murder does in his elderly, supposedly rich, wife and manages to get away with it. After an investigation results in a decision of 'accidental death', our crafty killer discovers that his late wife's 'fortune' is not what he thought it was. Driven to find another unsuspecting spouse; he discovers that his new bride, a widow, is no fool. When she tells him that she intends to keep her accounts separate from his, he is driven to contemplate murder once again
一群大学生在四月一日愚人节结伴到一无人荒岛的巨宅中度周末，结果碰上血腥的愚人节恶作剧。他们在互相玩笑之余却逐一被杀，而邀请他们前来的富家女莫菲圣琼却始终未露面，这到底是什么回事？影片明显地采用了艾嘉莎克莉丝蒂的侦探名著《十个小印第安人》的故事模式，让剧中人一个一个被杀
影片围绕着心理学家皮特与他被“鬼混”侵扰的病人之间展开，随着病情研究的深入，隐藏在恐惧背后的可怕事件也将渐渐浮出水面。
