When history professor Rémy Girard learns that he is dying, his ex-wife summons home their son, Sébastien, whose career as a successful stock trader has earned him his socialist father's disdain. In an effort to ease Rémy's last days, Sébastien gathers together a group of his father's oldest friends.

Joan and Tom have been married for many years. When Joan is unexpectedly diagnosed with breast cancer, the course of her treatment shines a light on their relationship as they are faced with the challenges that lie ahead and the prospect of what might happen if something were to happen to her.