Catch me

Emily Walker's life was as easy as it could get untill something big happens. Her father cheats on her mother. She doesn't know this for years untill she turned 15 years old. She had to go through years of fighting parents without knowing why. When her parents think she is old enough to get divorced, they told her. She learned to live with all the fighting but since the day she knew that he cheated on her she had to go through hell. What is it that makes Emily feel happy again?