主人公Marcella Backland（Anna Friel）是一名年近40岁的女侦探，11年前因为结婚而离开了自己热爱的警察工作。Marcella的婚姻突然终结——她的丈夫Jason（Nicholas Pinnock）突然宣称自己不再爱她并快速离开了她——女儿又躲在寄宿学校里不肯见她，她只好回到既熟悉又陌生的大都会警署命案调查组重新探索自己的人生道路。
《小谢尔顿》衍生剧正在CBS运作中，将聚焦于蒙塔纳·乔丹和艾米丽·奥斯蒙特饰演的角色Georgie与Mandy。
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剧情以法国最古老的警察部队国家宪兵队的精英战术部队GIGN为中心。GIGN在涉及反恐、情报行动、人质情况、有组织犯罪以及为当局重要成员和危险地区提供安全保障的情况下采取行动。
Katie 在朋友们眼中是一个成功的心理医生，一个独身主义的信徒，但事实上，她却与自己的病人有着长达两年的婚外情。有一天她的病人突然去世，Katie需要面对的除了无处倾诉的悲痛，更有病人的儿子Sam的困扰。Sam发现了父亲的婚外恋，却不知对象就是Katie，他跑来向她求助，希望Katie能帮助自己找出这个神秘的女人，而与此同时，Sam自己也对父亲的情人表达了从15岁就产生了的爱意。 Siobhan作为一个成功的律师，事业同样颇为顺意，而她最大的烦恼就是一心为了孩子才和她上床的丈夫。每天例行公事似的做爱让Siobhan渐生倦意，她渴望真正的激情，而她的同事Dominic在这时给了她机会。Jessica是几个女人中最不避讳情史的一个，她乐于享受风月之幸。她跑前跑后地为一对Les准备一场令她们称心的婚礼，却发现但其中一个似乎对她更感兴趣？
Season three finds former British spy Sylvia Fox, played by Silent Witness star Emilia Fox, mentally and physically recovered from her abduction at the end Season 2 and back to enjoying her life in Italy. But she’s still waiting for answers from her ex-husband, Adam Haines, about his past dealings with her kidnapper.Across the season, Sylvia Fox is investigating the murder of the owner of a local winery, and probing the mystery of a beautiful young man found dead in the bed of a power couple who claim never to have seen him before. Meanwhile, Sylvia’s relationship with Carabinieri captain Giovanni Riva deepens, but the finalization of Riva’s divorce and his desire to set down roots in Umbria threatens Sylvia’s sense of independence. In the final episode, Sylvia experiences an emotional crisis as someone close to her suffers a violent death, and Adam returns, injured and in danger, to ask for Sylvia’s help, and test her loyalties to the limit.
