Santiago is the son of a constructions bussnessman and after spending many years in a college of the interior of the country , he returns to Buenos Aires to live with his father Arturo. Celeste is the daughter of a foreman. To help economically her parents she works in the construction but her dream is to be a Prima Balarina and she studies in an Art school. With Santiago's arrival to the great city he finds out that his father is married to Marcia. Marcia tries to be close to the boy but her real plans are to get rid of him because he is a barrier between her, Arturo and her ambitions...