An educator and songwriter, and unemployed among other 100 people join the 15M march of 500 km, from Barcelona to Madrid on foot, as repudiation of the socio-political status quo in the country. Even though the 15M movement would eventually inspire several groups, such as Occupy Wall Street, those individuals who marched quickly learned about the difficulties inherent in changing the world but leant as a must to live with the self impose rule of keep marching.