At their slumber party, Loulou tells Lou the enchanting tale of Mr. Sandman, who uses magic to bring children marvelous dreams. As the story unfolds, they too drift into a world of wonder and sleep.In the dimly lit room where Loulou and Lou are having their slumber party, they whisper back and forth about the wonders of Mr. Sandman. Loulou begins to tell the enchanting tale, where Mr. Sandman uses his magical sand and his enchanted umbrella to help children fall soundly to sleep and to have the most marvelous dreams. From flower gardens to the wonders of the sea, from mouse weddings to polishing the stars. And while Loulou tells the story, a secretive hush arises, inside of which the children themselves begin to drift off into their dreams, guided by the magic of Mr. Sandman.