故事发生在原剧四年之后。马特・谢德和安吉・埃弗雷特这对侦探搭档喜结连理并迎来新生儿，从多伦多搬到西海岸的维多利亚开启全新生活——在家中设立新的私家侦探社，在安顿家庭与事业的同时继续破解案件。

Four inseparable teenagers in a small town in Brittany (France). As lifelong fans of the West Coast, they think are real gangstas. Together as a "gang", they are invincible, respected, fearless and nothing can reach them, certainly not the teasing and contempt of their fellow classmates. So when Fle-O, the leader of this merry gang, learns that he has to leave his town and his friends at the end of the year, his whole world falls apart leaving him vulnerable when the most popular kid in school decides to make fun of them in front of everyone. Humiliated, our protagonists decide to take their revenge through one last expedition together that will lead them further than they would have imagined. Through incongruous situations and successive meetings, they will grow and learn.

剧情简介更新：大尺度！连环情杀高能不断！超禁忌！极致犯罪端午首选！ 从影三十年赤诚不变，古天乐携颠覆力作震撼归来！《九龙城寨之围城》后，再度联手金牌监制郑保瑞，打造犯罪题材巅峰新作！ 【警告！本片含高能限制级犯罪场景还原，画面含血量超标，请谨慎观看！】 欧阳伟业（古天乐 饰），一个平平无奇的私家侦探，却在一次跟踪行动中，意外被卷入一起骇人血案——妙龄女子惨遭虐杀，狰狞血痕遍布颈间！然而，这仅仅是一个开始，离奇的雨夜车祸、无辜女性被逼殉情、准新娘婚前惨遭毒手……当潘多拉魔盒在血色中开启，一场以情债为名的猎杀游戏正式开启。 血色倒计时即将归零，你，是否敢窥探银幕上的这场桃色献祭？躺在病床上的神秘女人，封闭豪宅里的殉情仪式，这场交织着情欲与复仇的罪恶之网，到底还隐藏着哪些不为人知的终极秘密？大尺度桃色罪案即将掀开血腥的一角……"

故事描述前冰球运动员Matt Shade退役后当私家侦探，但他的搭档Angie Everett并不相信他的能力。当该剧开始时，Matt发现自己中意的一名冰球小职业联盟球员突然在冰面上晕倒。他怀疑另一名球员可能与此事件有关，于是和Angie一起对多名嫌疑人展开调查。两人都很顽固，而且都曾因自身性格问题影响了发展前途，因此两人不停吵嘴（也就是：化学反应）。

Robert McCall is a former agent of a secret government agency who is now running his own private crime fighting operation where he fashions himself as "The Equalizer." It is a service for victims of the system who have exhausted all possible means of seeking justice and have nowhere to go. McCall promises to even out the odds for them.

私家侦探莫特·麦迪逊（Mort Madison）的生活正急转直下，起因是他接到了一桩极为特殊的案子——有个迷人且似曾相识的女人聘请了他。

LA ex-cop Vince Kane is a bail-bondsman who bails out the suspect of a securities bonds robbery but his client disappears, prompting Vince to investigate.

《West Coast》是美国歌手兼词曲作者Lana Del Re为其第三张录音室专辑《Ultraviolence》（2014年）录制的歌曲。

女孩驾车穿梭西海岸的城市与海滨之间，记录日常里各式各样的新鲜体验。沿途邂逅海边落日、街道风光，在出行闲逛中结识伙伴，用心感受不一样的风土人情。剧集画风轻松治愈，聚焦独立生活、善意交友与沿途感悟，在平凡日常里收获成长，风格温和有趣。

The cast of Jersey Shore swore they would always do a vacation together. Now, five years, five kids, three marriages, and who knows how many GTL sessions later, the gang is back together and on vacation in a swanky house in Miami Beach.