Evan Birch is a family man and esteemed professor at a distinguished college, where his charm and reputation have made his philosophy class very popular. When a female student named Joyce goes missing, Evan's previous off-campus dalliances make his wife question his alibi. Gruff police Detective Malloy has even more reason to be suspicious when crucial evidence makes Evan the prime suspect in Joyce's disappearance. Suddenly, the questions Evan faces aren't merely academic - they're a matter of life or death. 正叙事情真相！看不懂的进来。太理性的男人都是“蛇精病”。选择性处理错误，选择性的失忆了。【多图略长】总结片中一万个 |暗示| 老鼠教授的本质。没看懂的进来看看，豁然开朗。原来如此！！！。魔鬼在人间。真相漩涡。虚伪的哲学教授。《真相漩涡》有漩涡但没真相。总有一款适合你。 艾文（盖·皮尔斯 Guy Pearce 饰）是一名德高望重的大学教授，拥有一位非常贤惠的妻子，无论是家庭生活还是事业，艾文无疑都是周遭朋友们眼中的典范。可实际上，艾文是一个斯文败类，他和手底下的很多女学生之间都有着纠缠不清的暧昧关系。 某日，一位名叫乔伊斯（奥德娅·拉什 Odeya Rush 饰）女生离奇死亡，她正是艾文的学生。乔伊斯的死很快就引起了警探马罗伊（皮尔斯·布鲁斯南 Pierce Brosnan 饰）的注意，随着调查的深入，种种的线索都将嫌疑人的目标指向了艾文。虽然马罗伊对艾文高度怀疑，但却始终找不到可以给他定罪的确凿证据，与此同时，艾文的妻子亦知晓了丈夫的猥琐勾当。
