A dynamic young entrepreneur finds herself locked in a hotel room with the corpse of her dead lover. She hires a prestigious lawyer to defend her and they work together to figure out what actually happened.

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.