Hubie Dubois, despite his devotion to his hometown of Salem, Massachusetts (and its legendary Halloween celebration), is a figure of mockery for kids and adults alike. But this year, something really is going bump in the night, and it’s up to Hubie to save Halloween.
Security guard Paul Blart is headed to Las Vegas to attend a Security Guard Expo with his teenage daughter Maya before she departs for college. While at the convention, he inadvertently discovers a heist - and it's up to Blart to apprehend the criminals.