Mariano is a psychologist who must fulfill community service after losing a lawsuit by a traffic accident. He is forced to provide therapeutic support to Alfredo, a policeman depressed over his wife cheating on him. Mariano is then accidentally involved in a double homicide investigation being conducted by Alfredo.
An administrative police officer, Franco Montero, receives as an inheritance the care of a half-brother that he did not know. Lorenzo Montero, a child prodigy with an IQ of 200 who changes his way of life and his work. The eleven-year-old's intelligence puts Franco and his assistant Gustavo Mansilla in charge of the homicide division. By deducing and exploring the three, they solve the most striking cases.
Damián, Facundo, Luciano and Marcelo have been friends since childhood and they share the passion for classic rock and roll on vinyl records. Their relationship is also marked by other big subjects: friendship and girls. When one of them decides to get married the four lives stir up.
