Investigating the mysterious deaths of a number of farm animals, vet Rack Hansen discovers that his town lies in the path of hoards of migrating tarantulas. Before he can take action, the streets are overrun by killer spiders, trapping a small group of towns folk in a remote hotel. 在亚利桑那州乡下，无数的杀手狼蛛通过农场城镇迁移，杀死一切阻挡其生物。镇上的兽医将尽他所能力挽狂澜……
