Mr. Buchsbaum, third class taxes employee, lives a peaceful life until the new chief immediately criticizes his work. His only confort is his stamps collection. Sadly, even this consolation and his peace are threatened by a new, charming, neighbour who teaches piano.

Increasingly infuriated, he discovers accidentally one evening that he has the ability to go through walls. With this power, he decides to settle the scores, firstly with his boss who downgraded him.