It's all over the news that a virus called the Z-virus has spread everywhere and is killing millions but after the victims die they come back as zombies. Elsa and her sister Anna live in LA and are waiting for their parents to come home from Norway before they can run off to their mansion secure home in the mountains. The thing is their parents aren't coming home. The zombies finally take over the city and they are trapped inside their home. What happens when street boy Jack Frost and his friend come to take over the house?