Dr Noah Alderman, a widower and single father, is finally content after marrying the wonderful Maggie. And they're both thrilled when Maggie gets an unexpected chance to be a mother to Anna, the daughter she once thought she'd lost forever. But when seventeen-year-old Anna arrives everything changes - and the darkest turn of events will shatter their lives in ways no one could have imagined. What if your perfect family becomes your worst nightmare?