Arabella was 8 when her parents was killed by Luke father David . After Luke got to know this he started to hate his father but can't do anything because he Is next heir of mafia . After when arabella was a teenager her aunt Theo trained her to be an assassin Now she was dangerous assassin of America and Italy Arabella said " I will kill your father Luke just wait and watch and I hate you Luke so much " Luke said " you can never hate me "