BTS
- අවුරුදු: 1970
- රට: Spain
- ප්රභේදය: Thriller, Mystery
- ශබ්දාගාර:
- මූල පදය: behind the scenes, series of murders, locked door, arts school, school project, murder in school, locked inside
- අධ්යක්ෂක: Igor Morales
- කාස්ට්: Néstor Seller, Juan Paya, Lucía Agustín, Irene Hickey, Candela del Olmo, Álvaro Galarza Lima
