故事始于一段浪漫的恋情，两名主人公来自截然不同的世界，一个是曾经纵情声色犬马而今独自一人渴望真爱的Danny（本·卫肖 Ben Whishaw 饰），一个是神秘寡言英国军情六处总部的间谍Alex（爱德华·霍尔克罗夫特 Edward Holcroft 饰）。即使出身和性格迥然不同，二人度过了最美好的一段时光。
然而浪漫的恋爱故事并未向顺利的方向进行，不久后Alex神秘失踪，Danny开始一步步追查，一个个神秘线索把他引向一个让他窒息的可怕事实。他发现自己已经卷入了一个纷繁复杂又危机重重的间谍世界。他能否凭一己之力，与这个强大的对手斗争到底，找出真相？
Season five of “For All Mankind” picks up in the years since the Goldilocks asteroid heist. Happy Valley has grown into a thriving colony with thousands of residents and a base for new missions that will take us even further into the solar system. But with the nations of Earth now demanding law and order on the Red Planet, friction continues to build between the people who live on Mars and their former home.
A mother's vacation with her daughter becomes a nightmare when Gali, 25, is arrested for drug smuggling in Moscow. Orna's battle to prove her daughter's innocence entangles her in a dangerous world of crime.
Central South West电视特许经营权之争进入白热化阶段，Corinium与Venturer之间的战争正迈入危险新阶段。Tony Baddingham比以往更加冷酷无情，他决心将对手逐个击破，利用丑闻作为武器，操纵身边最亲近的人来维持权力掌控。
在80年代享乐主义的浮华中，Rutshire郡诸位的私生活陷入混乱漩涡。野心重压下婚姻支离破碎，婚外情威胁摧毁家庭，尘封多年的秘密引爆惊天后果。当竞争将所有人逼至绝境，有人的忠诚经受考验，有人在追求胜利的路上经历心碎。但这场战争的真正代价究竟是什么？
