Magazine writer Ann Mason infiltrates the United Defenders, a public service organization which is actually a front for racketeers. But a case of amnesia threatens to blow her cover.

As anger and resentment grow in the face of social inequalities, many citizens-led protests are being repressed with an ever-increasing violence. In this documentary, David Dufresne gathers a panel of citizens to question, exchange and confront their views on the social order and the legitimacy of the use of force by the State.

The personal stories lived by the Uncle, the Father and the Son, respectively, form a tragic experience that is drawn along a line in time. This line is comparable to a crease in the pages of the family album, but also to a crack in the walls of the paternal house. It resembles the open wound created when drilling into a mountain, but also a scar in the collective imaginary of a society, where the idea of salvation finds its tragic destiny in the political struggle. What is at the end of that line? Will old war songs be enough to circumvent that destiny?