Nora is a bright young professional whose new job at a financial firm turns out to be a trial by fire when she learns that her bosses share a tumultuous history with her prickly mathematician father. Meanwhile, an interoffice romance with a competitive colleague leads to even more complications, leaving Nora to navigate a minefield of delicate relationships as she climbs the corporate ladder.

Pascale leads a lonely life with her adult sons François and Thierry at a rural estate subsidized by her ex-husband's alimony payments. When Pascale falls for neighbor Jan, she makes plans to move in with him. But Pascale's twin sons -- loafers who treat her like a servant and refuse to accept the responsibilities of adulthood -- won't let her go. The family remains locked in a stalemate until someone makes a startling move.

When the mysterious woman in the room next door disappears, a debonair 70-year-old ex-spy living in a luxury hotel on the Côte d'Azur is confronted by the demons and darlings of a lurid past in which moviemaking, memories and madness collide.

Ismael and Julie, in the hope of sparking their stalled relationship, enter a playful yet emotionally laced threesome with Alice. When tragedy strikes, these young Parisians are forced to deal with the fragility of life and love. For Ismael, this means negotiating through the advances of Julie's sister and a young college student – one of which may offer him redemption.