OH NO in love with my brothers best friend (Austin Mahone)

What happeneds when Karlie falls for her older brothers best friend Austin Mahone? Will her brothers friendship stay with Austin, or will it be killed because of her feelings? Will Austin fall for her, or does he just see her as his best friends baby sister even though Karlie and Austin are the same age? If Austin finds feelings for Karlie will he tell her, or will he just let them drive his crazey. Karlie hasn't told her brother that she has feelings for Austin, because she doesn't want to hurt her brothers friendship with him, but will he find out through a game of Trueth or Dare that he play with Karlie to pass time? Read more to find out.