Following the lives of three young French girls in the turbulent 1970s after a tragic mining accident kills their fathers.

So many questions after the firedamp explosion that killed the fathers of Solana, Caroline and Alma. Who is to blame? What were the men, who didn't know each other, doing in that disused gallery? What secret linked them?

Following the lives of three young French girls in the turbulent 1970s after a tragic mining accident kills their fathers.

New information has reopened the enquiry and the victims are now coming under suspicion. Confronted with this turnaround in the situation, three friends need advice. Alma's law professor, Maître Duparcq, agrees to take on the case.

Following the lives of three young French girls in the turbulent 1970s after a tragic mining accident kills their fathers.

Following the lives of three young French girls in the turbulent 1970s after a tragic mining accident kills their fathers.