Please note this is a region 2 DVD and will require a region 2 (Europe) or region Free DVD Player in order to playAcademy Award Winner Natalie Portman (Black Swan) and Ashton Kutcher (What Happens in Vegas) star in the hilarious hit comedy that takes a modern look at what happens when friends-in-need do the deed Emma is a busy doctor who sets up a seemingly perfect arrangement when she offers her best friend Adam a relationship with one rule No Strings Attached But when a fling becomes a thing can sex friends stay best friends?