Marek Brodský

Follows a boy named Kája Berka, who, while visiting his grandparents, has a dream about his great-grandfather's revolutionary inventions from the past. The adventure begins when a rival engineer, "Křeček," steals these inventions and presents them as his own in modern times, bringing fame to his family and embarrassment to Kája's. (Imdb)

Detective Trachta investigates the mysterious case of Mr. Bierhanzel, a wealthy factory owner that made his fortune by selling miraculous salves against balding, who has suddenly disappeared and noone has a clue as to what could have happened to him...