Following a heated debate on a French news television channel, Left wing MP François Ruffin defies a TV columnist and attorney, Sarah Saldmann, to work and live one month on the minimum-wage. This humanistic and humoristic documentary highlights the daily struggles and joys of the working-class compared to the fantasy the bourgeoisie has built up in the media. It also raises a thorny question : can the rich be socially reintegrated ?