Sarah Lancashire returns in the acclaimed BBC thriller written by Sally Wainwright. No-nonsense police sergeant Catherine Cawood is back heading up her team of dedicated police officers in the Calder Valley in West Yorkshire. While on duty, she makes a gruesome discovery – a body. The victim’s injuries bear a striking similarity to a string of other murders over the previous few months, suggesting a serial killer is on the loose. But the case becomes even more shocking when it emerges that Catherine knows the victim – something that could have serious repercussions for both herself and her family.

雷夫（本•阿弗莱特）和丹尼（乔什•哈奈特）是一对自小玩在一起的好兄弟，两人对飞行都有很大兴趣，曾一起学习过驾驶飞机，二战初期，两人又一起加入了美国空军部队。受训期间，雷夫与军中医院里的女护士伊弗琳（凯特•贝金赛尔）坠入爱河。　　为协助欧洲各国抵抗纳粹德国的侵略，美军决定派出精英部队前往欧洲大陆，雷夫自告奋勇前往参战，并将伊弗琳托付给丹尼照顾，不久，噩耗传来，雷夫的飞机在空战中不幸被德军击落，生还可能几乎为零。伊弗琳与丹尼在相互勉励的伤痛中，萌生爱情。令他们没想到的是，雷夫并没死去，当三人重聚首时，尴尬顿生。日军偷袭珍珠港一事帮他们解了围，雷夫与丹尼决定不做情敌做战友。