他们的电视被毁坏，布丽姬特和伊蒙被人用枪指着囚禁起来，为了活下去，他们不得不重新制作热门电视节目。

基于伊莱恩·法雷尔和莉安·麦考密克所著历史书籍《坏布里奇特：犯罪、混乱与爱尔兰移民女性的生活》，聚焦19世纪和20世纪初移民到北美的爱尔兰女性的生活。“Bridget”和“Biddy”用来指代典型的爱尔兰女性移民，研究表明，当时爱尔兰女囚人数通常超过男囚，文章讲述爱尔兰女性真实犯罪案列，包括卖淫、盗窃、酗酒、顽固、通奸、绑架、过失杀人、谋杀等，探讨当时的文化背景、堕胎、未婚先孕、贫困、种族等问题，以及爱尔兰女性在社会上所受到的待遇。

本季改编自同名小说系列的第三本《An Offer From a Gentleman》，聚焦Benedict（卢克·汤普森 Luke Thompson 饰）的爱情故事，他本来不愿意找对象安定下来，但在妈妈举办的舞会上遇到了一个银衣女子（叶林·韩 Yerin Ha 饰）之后……

Performing stand-up for a packed house in London's Hoxton Hall, comedian Bridget Christie dives into the politics of gender, sex, and equality.

讲述在摄政时期的伦敦，强大的布里杰顿家族的大女儿达芙妮·布里杰顿在竞争激烈的婚恋市场上首次登台的故事。

19 世纪开创性摄影师Eadweard Muybridge 的故事，他用相机改变了世界。 狡猾、坚韧、自私、天真、古怪、狡猾——Muybridge是一个复杂、不完美的人，他的故事充满了野心和成功、失败和背叛、濒死经历甚至谋杀。 “机器不会说谎，”Stanford在谈到Muybridge开创性的运动图像时说。 但是摄影师呢？

This final series chronicles Harry’s epic rollercoaster ride as he begins to lose grip on his empire, alongside the fortunes of all those whose lives he has touched. London, 1928. Nine years have passed and Harry Selfridge is at the pinnacle of his wealth and celebrity and enjoying the frenzy of the roaring 20s. But in this buzzing, fast-evolving world, Harry is splashing his cash in an unprecedented, dangerous way. As he parties and gambles with stage stars, the Dolly Sisters, and pursues risky new business ventures, the trials and tribulations of our other much loved characters, and a handful of newcomers, also unfold. Lady Mae returns to London to rebuild her life whilst Mardle and Grove thrash out their differences, and Kitty and Frank embark on the biggest challenge to their relationship yet.

Mark starts high school at a former girls' school, finding joy in theatre while navigating old friendships and new love. Pop's ham radio hobby leads him to an intercepted distress signal.

第四季将视野拓展到教育系统，其它主要情节还有第三季中引入的市长竞选，并深入描写了Marlo Stanfield领导的贩毒团伙在西巴尔的摩的不断壮大。