Harry's Secret Rebel Sister

Cody Grayson is harry styles sister.(she changed her last name) When she was younger she ran away from Harry and her family because of a fight her and her parents got in to. She ran away to her best friend Luke Hemmings house and every since that day she has been scared to see harry because of what she turned into. Now she is a tatooed rebel. She doesnt want to see harry after the  9 years of not seeing eachother. Finally she agrees to go see him and brings along her bestfriends Parker Bennett and Jade Woods . Threw out there whole journey they each find a speical someone in the band. 

will seeing Harry again bring back to many memories for Cody or will he become the protective brother he was always suppose to be?