Several emblematic buildings in Vienna suffer from a series of explosions that destroy works of art of inestimable value, as well as generating a large number of victims. Detective Peter Bender will need the help of Lena, a student of art, discover the murderer, because it uses a hidden code in the symbolism of the boxes to convey a message.
| Actor | Role |
|---|---|
 Heino FerchPeter Bender | Peter Bender |
 Natalia WörnerLena Schubert | Lena Schubert |
 Axel MilbergPeter Grabowski | Peter Grabowski |
| EErwin SteinhauerProfessor Erik Posser | Professor Erik Posser |
 Michael SchottenbergCarsten Krüger | Carsten Krüger |
 Michael JanischKarl Hofbauer | Karl Hofbauer |
| PPeter MouckaErler | Erler |
 Erwin LederAnrufer | Anrufer |
 Andreas PattonFrank | Frank |
| DDominik JanischKarl Hofbauer | Karl Hofbauer |
| AAlexander MartonPoliceman | Policeman |