Investigation of the Loss of a Class Book

The story revolves around the investigation into the disappearance of a class book at a boys' school, with a student named F. Kirchner as the prime suspect. Set in Vienna's 4th district, the narrative features Cimrman as a police inspector who takes an unconventional approach to solving the case. Instead of typical investigative methods, he decides to write a play about the incident, aiming to prompt the suspect to confess by showcasing the emotional turmoil of those affected.

The film incorporates elements of theater, reflecting its roots in a stage play and highlighting the comedic aspect of a serious situation. With a runtime of 95 minutes, it features a cast including Zdeněk Svěrák, Ladislav Smoljak, Jaroslav Weigel, and Miloň Čepelka. The unique blend of humor and a theatrical approach makes this film a noteworthy entry in the Divadlo Járy Cimrmana collection, appealing to fans of Czech comedy and theater.