When gunshots echo through the baby monitor, nanny Carly Winslow acts fast, fleeing with seven-month-old Mia. Help comes suspiciously soon in the form of Brody "Whit" Whittaker, who says he's Mia's uncleand a policeman. If he's lying, he could be one of the attackers. And if he's really a copwhat will he do after he uncovers her troubled past?