When her down-on-his luck confidential informant in a criminal investigation suddenly goes missing, a desperate young federal agent recruits his doppelgänger to play his role.

Beverly Hills banker/workaholic Jennifer comes home to her small Northern California town just before Christmas when her dad, Ted, takes a bad fall while putting up decorations. While home, Jenny begins getting romantic Christmas cards from an unknown admirer, who turns out to be her old neighbor and the unrealized love of her life, Jack. There's just one problem - Jack died in a car accident three years ago.

During the holiday season, Ethan, a meteorologist, and his wife Addison, a TV news reporter, must put aside their differences and band together to help save others and rescue their missing children from a massive F6 twister that has unexpectedly descended upon their small Texas town.

When children start disappearing, a rebellious teen under house arrest starts to suspect that a legendary evil, a boogeyman known as the Cucuy, might be responsible.