While planning her cousin's lavish wedding, Kelsey Wilson's world is turned upside down when Private Investigator Connor McClean shows up. Connor, hired by a unnamed source, disrupts the upcoming nuptials but manages to win Kelsey's heart.
On Christmas Eve, a hardened detective and her DA boyfriend are each informed that the other has been kidnapped. As the world closes for the holiday, they are locked out of their computers and phones and must follow the demands of the menacing voice giving them orders. This leads to a snowy night of cat-and-mouse thrills as the two fight for their survival.
