In the fourth season, a woman is found brutally murdered on a small artificial Danish island close to the Øresund Bridge. The woman is Margrethe Thormod, Thormod, Director General of the Migration Agency in Copenhagen, who was recently embroiled in a deportation scandal. Danish detective Henrik begins to investigate the murder without the involvement of Saga, due to the fact that she has now been imprisoned for the murder of her mother. Henrik is missing his colleague and wants to visit her as often as possible so she can help with the case. However, her predicament renders her unable to help. Henrik’s search for his missing daughters is also frustrated by Saga’s imprisonment and he gets close to giving up.

　　When a well-known gender theorist, and owner of Copenhagen's first gender-neutral preschool, is found murdered at a construction site in Malmö, Saga has to cooperate with a new Danish colleague, Hanne, who has difficulty accepting Saga.

　　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。

　　未来40年后，豪华太空游轮“第5大道”遭遇技术难题，乘客对此心怀不满、意外频发，船长和船员不得不小心驶得万年船。

　　《戴上手套擦泪》根据瑞典作家乔纳斯·嘉德尔（Jonas Gardell）的同名小说改编。原著也被称为《爱》，是乔纳斯“爱、病、死”三部曲的第一部。小说主题是关于80年代艾滋大流行以及两个男孩在这一时代背景下的悱恻爱情。
　　1982年，男孩雷斯莫斯（亚当·帕森 Adam Pålsson 饰）对离开闭塞小镇科普姆感到如释重负，却不知从此再无相见之日。年轻英俊的他轻快的融入斯德哥尔摩的夜生活，在中央车站和同志酒吧与“同类”拥抱做爱，并由此结识了靓丽自信的保罗（西蒙·J·博格 Simon J. Berger 饰）。保罗住的公寓经常有证人会信徒挨家挨户宣传教义，某天一个叫本杰明（亚当·隆格伦 Adam Lundgren 饰）的证人会男孩上门为保罗布道，但保罗对他说“你知道自己是同性恋吧？”一句话撼动信仰世界。圣诞夜保罗邀本杰明参加烛光晚宴，就在那一晚本杰明和雷斯莫斯第一次遇见。当整个城市下起雪来，男孩们手牵手走过长街，一切就此改变…
　　所有故事都发生在80年代的斯德哥尔摩。同性恋已经去罪化，国家福利阳光普照，年轻人第一次相信他们迎来了所谓的“绝对自由”。但与此同时，一种前所未见的疾病开始蔓延扩散，并且找不到任何诊治手段。艾滋病，被称作是上帝在索多玛后对同志的又一轮天谴。病魔当前，有人轻易斩断血缘纽带，有人退回暗处成为游魂，有人讣告上一片空白，有人心惊胆战的出入病院，即便擦泪也要戴上口罩手套…