Sofía and her brother discover a message that seems quite important. Let's see what it's about.

With this video begins a series of reflections and melodies dedicated to one of the most important themes discussed in the documentary. Listen carefully to the words of the introduction, the testimony of one of the protagonists and the nostalgic melody at the end.

In addition to finding photos and recipes in the little box, the brother and sister discover another quite important object.

After some interesting reflections on the way we approach our daily life, artist Adanowsky goes into the Mexico City subway to perform one of the most memorable songs from this documentary. Enjoy it!

Thanks to the call she makes, Sofía manages to obtain a name and phone number of the possible owner of the little box.

Sofía makes a call to report about the little box that she and her brother found in the apartment.

With the background sound of the song "Caminante del Mayab" performed by the trio Los Tres Yucatecos, this part of the documentary offers brief reflections on the concept of freedom.

The brother and sister decide to see what's in the little box. What will they find in it?