en Cuevana 3. Joana has just moved in with her boyfriend and their dog Boris. It's an important step in a relationship. In their new apartment filled with boxes, they are missing a mattress. Joana decides to go out and buy one. Faced with the choice of a new mattress, Joana is overcome with doubts. She is no longer sure what she really wants. She begins to doubt her decision, her relationship, and the world around her.