It's summer vacation, the weather's great, and all the kids are having funoutside. So where's Greg Heffley? Inside his house, playing video gameswith the shades drawn.Greg, a self-confessed "indoor person," is living out his ultimate summerfantasy: no responsibilities and no rules. But Greg's mom has a differentvision for an ideal summer . . . one packed with outdoor activities and"family togetherness."Whose vision will win out? Or will a new addition to the Heffley familychange everything?