Isabelle Huppert stars as Lola, a novelist in her mid-30s who is involved with two men, her long-term lover, David (Bernard Giraudeau), an architect, and Tom (Hippolyte Girardot), a rock musician. David is married to the unstable Marianne (Lio), with whom he has two children, and Tom is married to Elisabeth (Laure Killing), who is unaware of his relationship with Lola; they also have children. Lola struggles to keep her heart and her sanity intact as everyone involved in this roiling quagmire of love and need begins to seek out some kind of solid ground.