陈鑫觉醒沟通动物异能后，走上玄学破案之路。她依靠老鼠线人侦破首起无脑女尸案，受聘联邦安全部顾问，起初遭探员轻视。后借蟑螂探查密室、流浪猫提供线索破获连环命案，令众人信服。鼠、虫、猫狗、飞鸟组成庞大情报网，她受总局招揽，升任特殊人才计划首席顾问，国际间谍圈忌惮这位能借全城生灵探查一切的东方女性，凭动物线人网屡破重案，成神秘线人之王。

陈秉礼与兄弟经营的沙滩酒店生意红火，遭死对头黄华民觊觎强占，其妹高美兰透露黄华民行踪，陈秉礼派孙丽婷伪装情人调查，发现商界大佬徐远东是幕后指使。徐远东派打手伏击陈秉礼未果，孙丽婷搜集罪证时被抓，陈秉礼再派熊志刚卧底套出最终黑手李昌辉。陈秉礼借慈善晚会设局，诱使李昌辉现身记者会，当场出示证据将其与徐远东、黄华民等人一并绳之以法，成功守护酒店。

别人养萌宠探案，她靠老鼠、蟑螂当卧底！一场凶杀案，让唐苁解锁离谱异能，四害都成了她的“线人”。老鼠目击现场，苍蝇追踪气味，蟑螂潜伏敌营。没有高科技侦查，却有无处不在的情报网。昔日被当成嫌疑人的普通女孩，凭这套独一无二的破案手法，一路逆袭！悬疑与笑点拉满，看另类神探如何屡破奇案！

唐松觉醒异能的那晚，偷吃零食的老鼠给她直播凶案：你邻居，成无脑女尸了！唐松：我这是拿了什么阴间剧本？别人听萌宠心声，唐松听四害心声，靠着这份离谱的情报网，唐松帮警方连破奇案，从嫌疑犯翻身成特聘顾问。看不起她的精英警官们，纷纷被她的玄学破案法大脸到自闭！

曾与爱人有过的幸福，随着恋情的结束烟消云散。他忧伤地锯断滴血的心，痛苦结束了对往事的思念与追忆。在此之后，男人搬出爱人的住处，兀自寻找另一个可赖栖息的场所。新的房子空旷寂静，浴室湿气逼人，男人百无聊赖打发永无止境的时光，直到某天，一封来信闯入了他死水一般的生活。收信人名叫迈克（Michael），Michael是谁？他全无头绪，也不知道该如何将信退回。接下来的日子里，寄给Michael的信和礼物接二连三涌入他的房门，望着那陌生的名字，他仿佛迷失了自己…… 本片荣获2009年法国“安锡国际动画影展”毕业学生作品组特殊荣誉奖（Special Distinction）。

一个失恋之人，在寂寞低潮的日子里收到寄给某人的信与包裹，在无法退还的情况下，主角似有心无意的拆阅信件，随着不断累积的数量，渐与那未曾露面出现的那人，发生一段暧昧诡异的另类妄想。

她凭借独特线索协助警方破案，被重案组特聘为顾问。面对各类疑难案件，她依靠专属情报网屡立奇功。从起初遭人质疑的另类顾问，慢慢成为了重案组人人喜爱的团宠。

万兽宗外门弟子林澈因无法契约灵兽，沦为笑柄，被罚镇守废料崖。绝境中，他觉醒上古御虫血脉，与鼠、蚊、蟑、蝇四害缔结共生契约。这群卑微生灵暗藏逆天潜能，随灵力滋养不断蜕变。林澈携四害打脸同门、破获药圃冤案、勇夺比武桂冠，并揭开了自身作为绝迹百年御虫一脉传人的身世。最终，他挫败宗主墨渊的夺权阴谋。

No one wants to listen to a polite, but persistent elderly man, Mr. Johnson, who has a strange theory about the recent "stocking murders" of three young women. His theory? That the third murder was committed by a copycat killer. First the old man, arming himself with a phony name, goes to the police, getting an audience with the very lieutenant who led the investigation, and the lieutenant dismisses his theory, but not before briefly conceding the point that the prime suspect, already in custody, confessed to only two of the three murders (having nothing to lose, it would seem, by confessing to the third). Next, Mr. Johnson, using another alias, seeks and finds a newspaper reporter, who is boozing it up with a floozy - by chance, the very reporter who covered the story, and Mr. Johnson and his ideas are not only dismissed once again, but the condescending bartender practically throws the old man out the door. Finally, at wit's end, Mr. Johnson, no longer hiding behind a false name, consults with a priest and seems to be on the verge of confessing something horrible himself. After all, he seems to know way too much about the life of the last murder victim. Still, the well-meaning priest finds the old man is guilty of nothing more than an unseemly obsession with a tabloid story. The police must know what they're doing, don't they? Feeling utterly ignored, Mr. Johnson goes home to his wife, and even she chides him for "thinking about things too much."

普通上班族唐元芳意外获得听懂四害（老鼠、蟑螂、苍蝇、蚊子）语言的能力。她在破旧出租屋内通过老鼠得知隔壁发生命案，用零食换取线索并画出凶手肖像，协助警方破案，获三十万报酬。此后每破一案均有额外奖励。唐元芳被特聘为警局顾问，辞去原职，以四害为“线人”搜集证据，接连侦破数桩奇案，成为屡破大案的关键人物。