故事发生在风景宜人的布宜诺斯艾利斯，玛利亚（玛丽亚•卡纳莱 María Canale 饰）、索菲亚（玛婷娜•戎卡黛拉Martina Juncadella 饰）和维奥莱塔（爱林•萨拉斯 Ailín Salas 饰）是情同手足的三姐妹，自幼失去父母的她们和外婆住在一起，过着相依为命的生活，祖孙之间的感情十分的亲密。可是今年夏天，一切将会变得不同，外婆去世了，留下无尽的思念和悲痛需要三姐妹细细咀嚼。　　为了走出丧亲的阴影，三个姑娘都下了一番功夫。玛利亚选择将精力转移到学习之中，索菲亚则开始潜心研究如何变美以及怎样增加她微不足道的存款。只有性格最内向的维奥莱塔不知道在忙些什么，当秋天到来时，她做了一件让所有人都没有想到的事情。

　　When Nobody Sees Us is based on the Sergio Sarria novel of the same name.　　Set against the dramatic backdrop of the Spanish Holy Week celebrations, the series is a thriller led by two policewomen trying to solve a series of crimes in the Andalusian town of Morón de la Frontera, in the political and cultural region of Seville’s so-called ‘deep Spain,’ which is home to one of the biggest international U.S. military bases.　　Lucía Gutiérrez is a sergeant of the Spanish Civil Guard investigating the bizarre suicide of a neighbour and strange events that have taken place during the first Holy Week float processions. Magaly Castillo is a Special Agent of the Military Police of the United States Army sent to find out the whereabouts of a missing American soldier who seems to be linked to the shady business of Colonel Douglas Hoopen, head of the Air Force Base, and an underhanded marine, Lieutenant Andrew Taylor. They soon discover that the two investigations are connected.

　　聚焦德莱尼一家，前网球教练斯坦和乔伊卖掉了他们蓬勃发展的网球学院，准备开始安逸的退休生活，渴望与四个已经长大的孩子一起度过美好时光。而一个陷入困境的年轻女子出现在家门口，让他们的世界发生了戏剧性的转变，乔伊突然失踪，这个家庭隐藏的秘密开始浮出水面，迫使孩子们重新审视父母看似完美的婚姻。