Kate and Joe are longing to be parents when Danica, the daughter Kate gave up 17 years ago, appears on Facebook. Danica comes to live with them, but she's an impostor.Kate and Joe are longing to be parents when Danica, the daughter Kate gave up 17 years ago, appears on Facebook. Danica comes to live with them, but she's an impostor.Kate and Joe are longing to be parents when Danica, the daughter Kate gave up 17 years ago, appears on Facebook. Danica comes to live with them, but she's an impostor.