第5个故事由4集组成，Tom Edge编剧，Sue Tully执导。BBC负责英国播出，HBO负责北美，华纳兄弟负责全球发行。

摇滚明星的私生子、曾在阿富汗失去了一条腿的退伍军人科莫兰・斯特莱克（Cormoran meijubar.net Strike），如今开了一家破破烂烂的侦探事务所。大学心理学肄业的罗宾・艾拉科特（Robin Ellacott）偶然来到这间事务所做临时雇员，一下子就喜欢上了 这份工作。独腿侦探和能干的助手配合默契，开始解决一桩桩疑点重重的案件……
　　本剧改编自 J・K・罗琳以 “罗伯特・加尔布雷斯” 为笔名创作的侦探小说系列第四本《致命之白》。

A journalist, Daniel Parish, arrives in Lark Rise with news that Emma Timmins is set to inherit a large amount of money, enough to change the family's life forever. Daniel plans to write their story for his newspaper, but Dorcas is suspicious of his motives,. Can Laura and Daniel's friendship survive this?

Robert is working in Oxford and sending money home whilst Ruby Pratt has returned from Pontefract after splitting with her gentleman friend. Gabriel Cochrane, whose wife has died and whose foundry has been repossessed by the bank, comes to Candleford, penniless, and Dorcas employs him in her forge where the work interests Sydney. After Edmund has collected money from Robert at the post office, he arrives home saying he has been robbed. The whole village rallies round Emma.

一批毒品在警方押运途中被一伙蒙面歹徒劫夺，三名随行警员被害，种种迹象显示警方内部有人走漏消息。蒙面团伙的首领John Corbett成了AC-12的新一任对手，但他还有不为人知的另一重身份……