In Edinburgh, a sixteen year old girl has a year long relationship with an older guy.

A New York sales manager is sent to the remote Scottish Highlands at Christmas to acquire a limited edition perfume from a dashing Earl preparing for his annual ball and falls in love instead.

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.

For their latest session of counselling, a couple agree to be locked in their counsellor's flat together in a final bid to save their declining relationship.