A heat wave strikes Buenos Aires and Juana has to stay while everyone is on vacation; for her everything seems repetitive and dull, and a pop song about the sea follows her everywhere.
After receiving bad news, Natalia, a young novice, returns home, where her sister Ángela asks her to travel with her and her friends to a mysterious place.
In Argentina, between 1982 and 1985, the Puccios, a well-established family of San Isidro, an upper-class suburb of Buenos Aires, kidnap several people and hold them as hostages for a ransom.