改编自Parnell Hall的畅销小说系列“The Puzzle Lady Mysteries”。 冷清的集市小镇贝克伯里发生了一起离奇命案。当地警方对尸体上遗留的填字游戏百思不得其解。在案件毫无进展的情况下，他们无奈地求助于刚来贝克伯里不久的Cora Felton。Cora作为“字谜女士”的名声被认为能够帮助高级督察Hooper和贝克伯里警方解决小镇的第一起谋杀案。但古怪Cora并非自己声称的那样，当她投身到这起令小镇居民困惑的谋杀案中时，既结交了支持者，也迎来了反对者。
A fourth season of 12 episodes has been confirmed and will premiere on June 23, 2014 on MTV. This will be the first season not to star Crystal Reed. New cast additions include Meagan Tandy as Braeden (who only appeared in 2 episodes of season 3), Dylan Sprayberry as "Liam", Khylin Rambo as Mason “an out-and-proud athlete” and Mason Dye as his best friend Garrett. Dylan O'Brien confirmed in an interview that Malia Tate (Shelley Hennig) would be a regular next season and joins the pack.
在这部真实犯罪剧集中，负责调查臭名昭著的连环杀手案的警探们讲述了他们竭力办案的过程，以及其中令人感到痛心和恐惧的细节。
卡米在13岁生日那天发现自己是半人类半吸血鬼，而她的神秘力量让中学生活变得更加复杂。
