“Danger in the Valley” is set in the quiet village of Salvérac, nestling in the rugged Causses region, which faces the looming threat of a shale gas drilling project. 　　The village is deeply divided between the project’s financiers – billionaire engineer Charles Kaskia and the powerful consortium Seth – while others vehemently oppose it, led by defiant mayor Floriane Bourdieu. 　　As...