Dexter not following his protocol now, going to listen his heart not his fathers words.Will he kill his love? as she is a murderer or fight with his sister?
Dexter is a psycho he is a psycho killer and kills people to enjoy. Form last episode any one can judge it, Dexter goes mad now he must be arrested now. As if killer is not his dear one he/she deserves death but if a killer is his girlfriend the she must get a chance.
Don't try to judge anything its a start, why you are predicting things? Watch the season and then decide whether it was good or not. Before that don't think rubbish and miss guide people.