The thirteen survivors of a catastrophe by a tunnel's collapse tries to balance their experience trapped along 15 days inside it with their day-by-day outside it.

• Pólvora Films
• Estela Films
• Arturo Valls
• Raúl Cimas
• Natalia de Molina
• Neus Asensi
• Manel Barceló
• Àlex Batllori
• Abraham Fuya
• Carmela Lloret