Diana, a high-class prostitute trying to escape from a serial killer, suffers a car accident that leaves her blind and kills the family of Chin, a ten-year-old boy.

Lui, a struggling author with a heart condition, and his wife Elle, a retired psychiatrist, find their idyllic life shattered when Elle begins to succumb to the effects of dementia.

It takes him suddenly at 40 years: Frédéric wants a baby, Claire never wanted one and they agreed on that. He commits the unforgivable and makes a child behind her…