It’s summer vacation, but the Pearson family kids are stuck at a boring lake house with their nerdy parents. That is until feisty, little, green aliens crash-land on the roof, with plans to conquer the house AND Earth! Using only their wits, courage and video game-playing skills, the youngsters must band together to defeat the aliens and save the world -- but the toughest part might be keeping the whole thing a secret from their parents!