新的威胁，致命的仇杀。
随着第二季开始，正当Elsbeth Tascioni开始适应她在纽约的新生活和职业生涯时，她在芝加哥犯下的错误再次开始困扰她。分局刚从去年的不愉快中恢复过来，又被一位爱管闲事的新任副警监进行了重组，Blanke警官和Wagner警监因此也面临着各自的挑战。与此同时，团队在与那些自以为可以逍遥法外的人交锋之余，见识了纽约精英阶层更为奇怪的一面。
A group of aliens has come to Earth to learn about its population, customs, etc. To avoid detection, they have taken on human form which gives them human emotions, physical needs etc. WITHOUT the understanding of what they mean or the inhibitions normally present in humans. Their leader takes the position of a college professor, their military expert as his sister, their intelligence expert, supposedly oldest of group takes form of his teenage son. The uninhibited reactions turn everyday events into unusual situations.
本剧讲述琼斯夫人与前夫、三名子女和一个与差20岁的仰慕者之间的情感。
两个15岁的少年在森林密会，他们目击了一场血腥的浴室谋杀，他们不敢透露看到了什么，凶手步步紧逼，他们的秘密也在浮出水面。
