Your Sister's Sister

Your Sister's Sister is a 2011 American romantic comedy-drama film written and directed by Lynn Shelton. It stars Emily Blunt, Rosemarie DeWitt, and Mark Duplass. It follows a grieving man who, after his brother's death, accepts his best friend's offer to spend a weekend at her family's isolated cabin, where he runs into her half-sister. The film had its world premiere at the 36th Toronto International Film Festival on September 11, 2011, and was theatrically released in the United States on June 15, 2012, by IFC Films. It received positive reviews from critics, who particularly praised the performances of the cast. It won Best Ensemble Performance at the 22nd Gotham Independent Film Awards and DeWitt was nominated for Best Supporting Female at the 28th Independent Spir