Three siblings inherit a mansion in a suburban town from a distant great-aunt. There, they are welcomed by the housekeeper, a sinister woman who sets in motion a strange plan that will force the siblings to resolve their differences.

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.

A sinister pot of dulce de leche comes into the lives of Alejandro and Lucía, and will change everything.