2097 A world where cows are grown in pots and dryers play the harp. As part of its ongoing experimental careers, Gustave is to receive training at the plant toothpaste Radodent. Then he thought to die of boredom, the boy is propelled into an intriguing case because Radodent Jerome, the owner of the company, disappeared after his first visit. The boy is not only the last person to see the old man alive, but it has given him a mysterious briefcase and volatilized. Aided by his friends, the son of Gustave unravel this curious disappearance case in the world, not always clean, dental hygiene. You'll never see your toothpaste tube in the same way.