While cleaning up their deceased father's apartment, two brothers find files that say their father was under surveillance by a Stasi informer. The IM (unofficial collaborator) is the man who was who was their loving stepfather for 35 years.
"Die Band, die sie Pferd nannten" is the fourth DVD by the Berlin punk band Die Ärzte. It was released as the DVD to the 2004 tour "Jenseits der Grenze des Zumutbaren", that promoted the album "Geräusch".
