Lulu has nothing to do today . . . Mom and Dad are working inside and can't play and her older brother tells her that she is too little to play with him. So Lulu decides to become Ladybug Girl and goes on a series of adventures involving building a fort, saving ants, jumping into shark-infested puddles and more! Lulu learns that she can do a lot of things, and that she's not too little to have fun!