Malena faces the difficult decision of testifying in the Cromañón trial and reconnects with an important object she had lost during the concert; the emotional shock triggers memories from the days before the fire.

Malena has an emotional and disturbing encounter, prompting her to open her old backpack; the objects she sees connect her to the first of the three Callejeros concerts; Bichito meets Javier and the first signs of danger begin to emerge at Cromañón.

Everyone enjoys their last hours of happiness before the concert in 2004; once inside Cromañón, a fire breaks out, killing 194 people; moments before the horror begins, a revelation makes the triangle between Nico, Malena and Lucas unsettling.

The parents of the young people in Cromañón receive the news of the fire and desperately focus on finding their children; Malena escapes to the city of Rosario and Carlos Binder begins to establish himself as a judicial figure in the Cromañón case.