One summer’s day in 2056 in the mountains of southern France, a warning siren goes off: inside the belly of the receding glacier above the spa-centre village, a large pocket of water under pressure is about to give way—just as it did 150 years ago, when hundreds of people died in the floods of debris and water.

A novel about fear, an ancestral, collective fear about environmental disaster, and the narrator Lucie’s fear about her twin sister Clémence, who has returned after a thirty-year absence.

Salasc intensifies the psychological suspense as she tracks the sisters’ relationship between the past and the present. Clémence claims she is on the run, but Lucie still doesn’t know whether she can trust her sister.

The two women shelter together beneath the glacier, waiting for the worst, surviving on dwindling supplies, alone above the evacuated village. Does Clémence’s determination to control Lucie mean confronting the ultimate catastrophe?

My Sister is a spine-chilling slow-burn story of sibling rivalry and climate change, in which the gifted novelist Emmanuelle Salasc offers us a profound examination of the future of our relationship with nature—as well as with those close to us.