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Justin and his swarm travel in the neighborhood seeking revenge. Pets, people who have never harmed them, it doesn't matter, vengeance and food are the goals. Harvey, safely away with his family keeps having visions of Justin. One family having been attacked rallies gathering weapons to fight. The police have written it all off as pranks while other government officials can't be bothered to disrupt their holidays. The family makes inroads killing a lot of the horde. In the process with Harvey's help they save another life. When they finally finish the local horde one of the neighbors going on holiday has unwittingly aided the escape of others.