Wayward girl

Maisy is Dean and Sam's half sister but maisy doesn't find that out until later on she was dropped off by her alcoholic mother at Bobby's front door step when she was 7 months old how did her mother know where Bobby lived well John Winchester said it was his house when he shagged the red head but anyways Dean and Sam loved the girl would do anything for her and Bobby well he's like the best uncle she could ask for let's see where the story goes