 Back at work, the officer, Jarko, Franka and Professor Factotum exchange recent experiences, and thanks to the latter, they learn that the offender is Argos Attak, a man who borrowed books about escape from deportation.At that moment, he cuts short his trip to the police station by using a sleeping gas-filled smoke-bomb that was inside his shoe.Everyone chases him, but Jarko, Franka and Bars (the officer's dog) are exposed to a second bomb.