Continuity mistake: Maggie carries a bag and black plastic "luggage" when getting off the train and making the phone call. But when she walks into grandma's room, the bag is missing.
Continuity mistake: When Maggie is in her bra and thong at Rose's house, and she lies on the bank, Rose puts a blanket over her. In the wide shot, Maggie is all covered, except for her head. In the close up, Maggie's bra is showing. After Maggie has said 'That was a good day' and Rose answered 'Yeah' Rose covers up Maggie's bra again. (00:07:50 - 00:08:20)