Earth has been conquered by robots from a distant galaxy. Survivors are confined to their houses and must wear electronic implants, risking incineration by robot sentries if they venture outside.
A zombie apocalypse threatens the sleepy town of Little Haven during the Christmas holidays, forcing Anna and her friends to fight, sing and slash their way to survival with a fast-spreading undead horde in relentless pursuit.
Mental illness, Morrissey and guinea pigs.