A group of friends discover an old tunnel from the Spanish Civil War in a room of the student residence where they live. Preparations for a secret exploration plan begin.
| Actor | Role |
|---|---|
| GGorka SantamaríaNot listed | Not listed |
| MMateo AlcocerNot listed | Not listed |
| ÁÁlvaro LozanoNot listed | Not listed |
| LLuis NúñezNot listed | Not listed |
| AAlejandro SoriaNot listed | Not listed |
| IIrene AllerNot listed | Not listed |