Фильм Puzzle mystery

The boys' club of the Quick Arrows - Mirek Dušín, Jarka Metelka, Jindra Hojer, Červenáček and Rychlonožka - find out that something is happening in the dark neighborhood of Stínadla. The old churchman tells them the story of the orphaned locksmith apprentice Jan Tleskač, who was also a bell ringer in St. James's Church in Stínadly. There, too, he died under mysterious circumstances by falling from the bell tower. The swift arrows embark on a dangerous expedition into enemy territory. In the bell tower, they find Tleskač's diary, in which the boy writes about some kind of invention of his. He hid his plans in a metal puzzle called a Hedgehog in a cage. Instructions for freeing the hedgehog from the cage are described in detail in the diary. However, where the puzzle is located, the Quick Arrows have yet to find out. It's not easy: Stínadly is ruled by a rough boy gang called the Vonts...