“Historyjek Na Tropie: Italian Advanture” is a full-length movie telling the next adventures of the heroes of the series with a similar title. This time, our heroes, thanks to the modernized time-traveling machine, will travel around 15th-century places in Europe: Milan, Poland and Lithuania, as well as 19th-century Lviv. During the trip, they will detect the plot of the Italian Pazzi family and their Polish relatives from the Pac families, and will stop the end of the world caused by the turmoil in space-time.