Wealthy American philanthropist Arla Breckman has been missing from the affluent district of Belgravia in central London. Her lover, wayward aristocrat Dominic Cotterall, is besieged with accusations that he has killed her. But what's his side of the story?

A pregnant woman and her husband are taken in by a farmer and his wife after crashing their car in the Scottish countryside. Once inside, they realize their hosts’ daughter is a missing child from the news years earlier. Things take a sinister twist when the farmer and his wife inform the couple they intend to keep their baby once born.

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. In a desperate race to reach their loved ones, they soon learn 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.