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.

Men and women deal with different stages of love. Desire, jealousy, longing and melancholy are part of the romantic story of each of the characters, including a teacher, a middle-aged couple and a jealous boyfriend.

Early 80's, Sara is a good-family girl, she has never been with a man, does not drinks, does not take drugs. Following her love, she enters in "El Calentito" a bar where the group "las Siux" is singing.

Bear has never gotten over the separation from his wife and daughter after having been convicted for armed robbery and homicide and sent to prison. Now he is out, to finally get his cut of the money and reunite with his family, or at least avenge the damage done.