Fourteen year old Roni skipped two grades - straight in to her older sister Michal’s class. Now they are starting high-school together. It’s the worst thing that could ever happen to Michal and the coolest thing that can happen to Roni! Every big brother or big sister that has ever been tasked with looking after their younger relation will be able to identify with the situations depicted in "My Sister Skipped a Grade"; the need to forge your own identity and friends while having someone tagging along..