Only Love Can Thaw A Frozen Heart

Jack was sworn to hord away after an accident with Bunny and freezing not only his Warren, but his head as well. Everything would be fine once she learns to control her emotions, right? Nothing could possibly go wrong, right? Wrong. After losing everything she had with Bunny, Jack feels lost and hopeless and in the midst leaves Burgess in eternal winter. (Frozen AU) Fem!Jack