Peter (John Krasinski), a Hollywood sound designer, has agreed to help Martine (Olivia Thirlby) with her experimental art film as a favor to his wife (Rosemarie DeWitt). Martine, a beautiful and driven 23-year-old artist, comes to stay in the family’s pool house at their posh Silver Lake home to work on her film. Her arrival ignites raw emotions and desires throughout the entire family, forcing everyone to confront the new landscape that emerges in her wake.