A zombie apocalypse threatens the sleepy town of Little Haven – at Christmas – forcing Anna and her friends to fight, slash and sing their way to survival, facing the undead in a desperate race to reach their loved ones. But they soon discover that no one is safe in this new world, and with civilization falling apart around them, the only people they can truly rely on are each other.

The story of Claire Randall, a married combat nurse from 1945 who is mysteriously swept back in time to 1743, where she is immediately thrown into an unknown world where her life is threatened. When she is forced to marry Jamie, a chivalrous and romantic young Scottish warrior, a passionate affair is ignited that tears Claire's heart between two vastly different men in two irreconcilable lives.