Malena has trouble deciding if she is going to testify in the Cromañón trial. She also reconnects with an important object she had lost during the concert, and 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, where the tension surrounding a forbidden love resurfaces.

Everyone enjoys their last hours of happiness before the concert in 2004. Once inside Cromañón, a fire breaks out, killing 194 young people and shattering an entire generation of kids who enjoy rock music.

The parents of the young people in Cromañón receive the news of the fire and desperately try to find their children. In the hours and days that follow, the survivors confront the deaths of friends and relatives.