Set on a snowy Christmas Eve, a US Marshal desperate to escape her judgmental family buries herself in work, only to get snowed in with the most unexpected company: a very pregnant fugitive. As if that's not enough, she's suddenly in charge of keeping this soon-to-be mom safe from both a bounty hunter and a merry band of bumbling elves who couldn't find a reindeer in the North Pole, led by a hitman Santa.