The director loves well-kept zoo facilities, so he does not like the mole. With a cage, he chases the little guy and does not look left or right. But he should have done that, because he unexpectedly collides with the postman. The director lands softly on a large molehill, but the postman crashes so hard that he sprains his big toe. Now he can not deliver any more mail. He asks Tobias Totz for help, who gladly takes the job.