the muder started with a flower

Blood filled room with only one clue ever found the back story to it all. A nice family moved into a little cottage neer a flower shop and a school but the little girl named Daisy her first day of school she meet a boy Zayn. They where perfect two. In highschool the where a couple one day Daisy gave Zayn a white Daisy from her garden. But the next day Daisy had different ideas so she broke up with Zayn and move back to her old home.