Based on a real event, twelve dead bodies are found in the Tula River, we see the events that lead up to the massacre in a tale of crime, vice, corruption and sleaze.

• Cuitláhuac Rodríguez
• Narciso Busquets
• Roxana Chávez
• Abril Campillo
• Carmen Salinas
• Gerardo Zepeda
• Hugo Stiglitz
• Carlos Cámara