The dead best friend

Amy lee was just like everyother teenager in the usa that was intel her best friend died and her dad was the chef of the p.d. He change her life forever. Her ex might be her brother. her best friends ex might love her. She misses her old life so much but can not let the fact that the evidence of her bestfriends death did not match up. Who killed her the guy who was punished or the someone that know her closely? Does Amy end up with her ex or bestfriend's ex?