In 2016, a young Australian filmmaker began documenting amateur inventor Peter Madsen. One year in, Madsen brutally murdered Kim Wall aboard his homemade submarine. An unprecedented revelation of a killer and the journey his young helpers take as they reckon with their own complicity and prepare to testify.

该剧翻拍自同名日剧，试图寻找韩国社会中作为夫妻生活的意义，讲述做出危险选择并拉响家庭战争的夫妻故事。