The world´s dumbest detective Pankrác is in his fourth adventure called by a well known scientist Santusov. The scientist is afraid by unauthorized use of his latest invention - the time machine. That is why he creates another time machine and sends Pankrác through the time and periods - past and future - in order to find out if his concerns are justified.

The world´s dumbest detective Pankrác is in his fourth adventure called by a well known scientist Santusov. The scientist is afraid by unauthorized use of his latest invention - the time machine. That is why he creates another time machine and sends Pankrác through the time and periods - past and future - in order to find out if his concerns are justified.