If you are a fan of romantic comedies, than you are in for a great treat. Comedy drama Your Sister's Sister is a lovable triangle that revolves around Jack (Mark Duplass), Iris (Emily Blunt) and her sister Hannah (Rosemary Dewitt). The story starts when Jack gets all depressed after losing his brother. His best friend Iris decides to stick with him for a while, but at one point it is more than obvious that he needs some time alone in a place where there are no phones, internet, and traffic. He needs a getaway and she decides to send him to her parent's cottage. After a whole day of riding bike and riding on the fairy, he finally gets there, only to see that Iris' sister Hannah is already there. At first they give each other a good scare, but after a couple of hours, they relax. After sharing their pain, Jack for losing his brother and Hannah for getting out of the 7 year relationship, they start drinking, which later leads to them sleeping together. The surprise is when Iris decides to come to the cottage as well. Some hidden emotions start showing up and the question is raised- should they tell her they slept together or not? Amazing performances of these three artists were so convincing that their characters were almost brought to life.