What would you do if life unexpectedly put you face-to-face with your past? If fate decides to play matchmaker for two exes, almost a decade later, is this a chance to right the wrongs, or just another round of heartbreak in disguise? If Only You Knew is a fanfiction where pop heartthrob Shawn Mendes and Naomi, his first love, cross paths again, shaking up their already crazy lives in ways they never imagined...