故事讲述刚从警察学院毕业的库尔特·维兰德(帕森饰)目睹了一场残忍的自杀式案件，在警长汉伯格(理查德·迪兰饰)的支持下，他不得不查清一系列的罪案。

　　The series begins when suspected human remains are uncovered on Whitney Marsh - Jess and Sunny are immediately called to the scene, abandoning their evening plans to Jess’s husband’s chagrin. Dr Balcombe’s analysis reveals that the remains are relatively recent and suggest a grim conclusion: the body was placed there already dismembered. With this insight, Jess and Sunny intensify their search certain that other body parts may not be far away.
　　As the investigation unfolds, viewers are introduced to a diverse new cast of characters: Melinda Ricci, an outspoken television commentator based in Ireland; Martin ‘Marty’ Baines, an autistic man living with his mother Dot in Deal, Kent; Asif Syed, an Afghan training for his UK citizenship test; and Juliet Cooper, a history lecturer and faculty head at a London university.
　　While these characters live seemingly separate lives, they are intricately connected by their pasts. It’s up to Jess, Sunny, and their dedicated team to uncover these hidden links and ultimately expose the truth behind the cold case murder.

　　本片根据真实事件改编。讲述美国入侵阿富汗期间，年轻的美国士兵亚当被派驻阿富汗，年轻气盛的他遇到了魁梧正直的迪克斯中士，很快将其视为兄长和榜样。但后来亚当发现迪克斯示意手下杀害当地的无辜人民，良心发现的他考虑将他们的行为报告给上级反而被同袍威胁。迪克斯中士手下这支全副武装、越来越暴力的小队，也开始怀疑自己的队伍中有人背叛了他们。迪克斯中士强迫亚当杀死平民，不然就会杀死他。亚当面临痛苦的抉择，究竟是保全自己，还是想办法说出真相？

　　该剧改编自格里高利·大卫·罗伯茨2003年的同名畅销小说，讲述银行抢匪Lin Ford（查理·汉纳姆 饰）自澳洲越狱后逃往印度孟买，一场救赎之旅就此开启。
　　Shantaram在印地语代表“和平之人”。