Artie and Diane agree to look after their three grandkids when their type-A helicopter parents need to leave town for work. Problems arise when the kids' 21st-century behavior collides with Artie and Diane's old-school methods. Old school grandfather Artie (Billy Crystal), who is accustomed to calling the shots, meets his match when he and his eager-to-please wife Diane (Bette Midler) agree to babysit their three grandkids when their type-A helicopter parents (Marisa Tomei, Tom Everett Scott) go away for work. But when 21st century problems collide with Artie and Dianes old school methods of tough rules, lots of love and old-fashioned games, its learning to bend and not holding your ground that binds a family together