Guilt-ridden by the mistakes made at the meltdown three years ago, Julia single-handedly and without back-up from her superiors closes down a school when contamination levels suddenly surge.

• Jorge Sánchez-Cabezudo
• Alberto Sánchez-Cabezudo
• Laura Sarmiento

• Carlos Bardem
• Sergio Peris-Mencheta
• Álvaro Cervantes