Milo is constantly bored. Suddenly clock comes out and gives him a car for a adventure, A adventure to Dictionopolis.
Later while passing in another weird area he runs into the Doldrums which are people that do barely nothing. Here he finds Tock the Watchdog and he accompies him for the rest of his trip. Tock tells Milo about Rhyme and Reason, the two princesses.
After arriving at Dictionopolis, Milo later meets king Azaz from Dictionopolis and Azaz sends Milo to Digitopolis to get the Mathemagician's approval. They both approve and they each give him a item.
Azaz also had sent the Humbug and Tock onto the mission too. A box of letters from Azaz and a magic staff from the Mathemagician to help Milo to rescue Rhyme and Reason. At the last as they are running away they run into the sense taker, a demon.
But with a box of laughs they escape. They run up the stairs and make it to Rhyme and Reason, They were rescued. And as Milo, Tock, and Humbug were leaving king Azaz and the Math Magician arrived with their armies. Milo is sent back home and promised to visit again.