After the Zurich heist of the century, the justice system uses spectacular methods to recover a 100 million painting. Stolen works of art of almost priceless value, a Serbian mafia gang and undercover investigators: the docu-drama series "It happened on... " tells how the Zurich justice system uses cinematic methods to recover two works of art, a 100-million Cezanne and a Degas, which were stolen by armed thieves from the Bührle Museum in Zurich on February 10, 2008. An undercover investigator infiltrated the Serbian mafia gang, invitations to a luxury weekend in St. Moritz followed and the stolen paintings were finally returned thanks to a faked deal worth millions.

Hoping to become a great singer in Germany, a young dreamer named Ernst Schrämli finds himself drawn into underhand dealings. Determined to escape a suffocating environment that annihilates any kind of creative or artistic impetus, Ernst sells information about the Swiss army to a Nazi spy by the name of August Schmid, who charms and manipulates him. When Ernst’s crime is uncovered, he is sentenced to death for espionage and treason, becoming the first Swiss citizen to be executed.