Andrea, in search of her biological family, feels stalked by an invisible threat. Other women before them have suffered the same fate. Twenty years earlier, on the other side of the world, Camille, fascinated by Marie, tries to warn her of a threat hanging over her.
Óscar turns thirty on New Year's Eve with his life almost solved. Ana turns thirty on New Year's Day with her life still unresolved. They meet, fall in love, and begin a relationship that will last ten years.
