Carlos and Priscilla are just two of thousands of people in Chile that have benefitted from a social program called Futbol Calle.
The start of the documentary begins in Santiago, Chile where the Futbol Calle headquarters is located.
Poznan then takes centre stage as it hosted the 2013 Homeless World Cup.
It is in Poland where you learn more about the lives of Carlos and Priscilla.
To watch the trailer before taking in the whole film, then just click here.
You can also learn more about what Futbol Calle do by clicking this link.