I hope you saved before making decision, but if not it is currectly impossible, only if you start playing again or delete that part from logs, manually, if you do not know how this isn't good idea, becouse you will risk whole game progress
Even the answer is a bit late, here's what you need to do in order to send her to your castle instead of having her into your prison : Change your save file as follows : Variable#55 :(2)
