The Occupant (I)

Javier Muñoz was a successful executive, but after a year of unemployment, he and his family make the decision to leave the apartment that they can't afford. One day, Javier discovers that he still has a set of keys of his old home and starts spying in the young couple that now lives there. Little by little, Javier will start to infiltrate the lives of the new owners, determined to recover the life he has lost...even if it means destroying anyone that comes in his way.