A lonely private investigator is contacted by a mysterious woman who pulls him into a mind game known as “telephone walking”. Fascinated by her voice, Aloys discovers an imaginary universe that allows him to break out of his isolation.

After five failed attempts to go to the United States, 18-year-old Ramón decides to look for a friend’s aunt in Germany, but never finds her. With no papers or money, and without knowing the language, he barely survives living on the street until he meets Ruth, an old retired nurse who doesn’t speak Spanish. Beyond language barriers and prejudices, they discover that solidarity and humanity make life bearable.