Complex sentence: The Ever After High storyline is based upon the children of famous fairy tale characters attending the eponymous high school, who are destined to follow in their parents footsteps to keep their stories alive through generations, otherwise their stories will cease to exist.
Split into simpler sentences: The Ever After High storyline is based upon the children of famous fairy tale characters attending the eponymous high school. They are destined to follow in their parents footsteps to keep their stories alive through generations, otherwise their stories will cease to exist.