Perfume: The story of a murderer

"why can't i hate you??" he sobbed "because darling this is what they called destiny".... "do ever get scared that maybe it's for nothing? that all the pain and death won't change anything?". "Never". Neverland, a city with ongoing murders, a girl suspected to be the murderer , a boy trying to find out the truth behind his family's background . Is that girl really the murderer or somethings are more to be known , we all have seen , read or listened about movies and story of murders/murderers..... but have you ever imagined that what would be in a murderers mind.... is he/she suffering from something or is it killing people just for fun.....??