in Breaking Bad season 1 Walter White was written to be a desperate but ultimately good family man in a bad situation. Vince Gilligan has spoken about how he was convinced otherwise by others working on the show and took the show in a different directions as a result

Sincerely not trying to be unkind: an unintuitive but genuine piece of writing advice I have is that if you approach narrative prose as a means to describe a picture or "video" from your mind it is probably going to end up pretty bad