A young pregnant woman named Nada escapes from a country at war by hiding in a maritime container aboard a cargo ship. After a violent storm, Nada then gives birth to the child while lost at sea, where she must fight to survive.

Malasaña neighborhood, Madrid, Spain, 1976. While political turmoil ravages the streets all over the country, the Olmedo family arrives in the big city and settles into their new apartment. They soon discover that they are not the only ones roaming its corridors.