Olivia begins to investigate what happened at the university and realizes that it’s similar to what happened in Ritoque. Gonzalo infiltrates The Pack’s shock group. In turn, Javi manages to make an appointment with The Alchemist, the creator of the complex drug. As Olivia goes through Elena's stuff, she finds a drawing that looks familiar to her.

• Enrique Videla
• Sergio Castro San Martín

• Geraldine Neary
• José Antonio Raffo
• Félix Villar