The Strange Case Of Doctor Jekyll and Mr Hyde

In all of us are two elemental twins the light and dark, one man believed he could seperate the two and the good could live a saintly life and go to heaven and the dark twin could live it's own life and go to hell on his own. 

Being a doctor he uses chemicals he nearly succeeds there is an impurity it like most medicines has a side effect a surprising one he feels more alive and is smaller and younger it is intoxicating he finds he needs the drug then he doesn't but that isn't his main problem the drug turns him in to an evil younger man not so much evil more he is an unstable psychopath
knocks over a girl in the street and it is assumed Jekyll bails him out and Hyde the evil twin was wanted by the police because beat he a politician to death with Jekyll's walking stick. A friend dies and so do Jekyll and Hyde ultimately and his Lawyer friend who is trying to find out what Hyde had on his friend Dr Henry Jekyll finds out the truth after Jekyll's death. Hyde was Jekyll's dark side and Jekyll was Hyde's victim also even if it was Jekyll who slew Hyde.