Summary:
Have a related issue. After rescuing her, by failing persuasion and killing her lover, when I got back to the her father the option to return her does not exists and in the dialog of the quest he says that I didn't kill any looters yet. After this the game does not end conversation and the only way to continue is exiting to main menu and loading a save.
Also, when I am returning to his town, in any stop the quest dialog about the whereabouts of the daughter apears.
How to Reproduce: Get the quest, return her by failing persuasion, stop in minor settlements returning to her father, speak to the father.
Quest/Settlement Name (if related): Thractorae
Version: 1.0.4