Postiryöstäjien arvoitus

When12-year-old Ivonka Pivonka decides to follow and snoop on three robbers of postal money transports, she is more curious than she is careful and gets caught and is locked up at gentle-natured Kitty's apartment. Meier and Ferri find out about Ivonka's disappearance and decide to help her escape. With the help of Liese, Ivonka's best friend, and Alice and Aline, two elderly ladies, they begin to track down the postal robbers. (Zlín Film Festival)