影片根据1961年耶鲁大学权利服从电击实验事件改编,实验者毫无节制地提升惩罚电压,电压早已超过人类承受的极限。每个普通人只要服从了规则,则可能无意识地变成杀手,教授由此开始怀疑人性,普通人只是受人操纵的傀儡。。While waiting at a train station, Nikki Collins witnesses a murder from a nearby building. When she brings the police to the scene of the crime, they think she's crazy since there's no body. She then enlists a popular mystery writer to help with her sleuthing 猴子到此一游。