After 12-year-old Joey Cavanaugh moves with his family to a historic home in San Antonio's inner city, his new neighbor Marcos Gomez, the boy wholives across the street, warns him to stay away from the old house next to theirs-a strange-looking place with no front door. Joey, whose bedroom window faces the side of the odd house, does the opposite. Soon, Joey's six-year-old sister, Michelle, starts talking to a little girl no one else can see but who...