01The Key Without a Door
On her first day, Inés receives a key whose owner says he has lost a room. A visit to the old station opens a story nobody had finished.
4:27 · Sarah
Four gentle mysteries about an office, four objects and the stories we leave unfinished. Original fiction in English and Spanish.

01On her first day, Inés receives a key whose owner says he has lost a room. A visit to the old station opens a story nobody had finished.
4:27 · Sarah
Four gentle mysteries about an office, four objects and the stories we leave unfinished. Original fiction in English and Spanish.
Each episode combines context, storytelling, and useful facts to explain the subject clearly, with no prior knowledge required.
No. Each episode stands on its own, although the complete series builds a richer view of the subject.
Yes. Progress is saved on this device for every episode and language.
Yes. Use the language selector to switch between Mateo in Spanish and Sarah in English.
Choose a question from the series and turn it into a personalized episode.