1649th year. In the Kiev Castle on Shchekavitsky mountain comes the new voivod Adam Kisel. With him - assistant, translator Jan Loose. He is a broken little fellow. The task of Kissel to hold talks with the rebellious Cossacks Khmelnitsky. Meanwhile, strange things are happening in the Lower City - Podol. People have small children. Residents complain to the authorities, that is, the voevoda. They suspect that gypsies are being stolen, or the local bandits who are hunted in the local forests and are operating on large roads are kidnapped. Children are allegedly being sold into slavery by the Turks. Yang Looz takes this case. But first of all he needs to find out - who killed - the castle administrator Pyasot. He had to meet the governor of Kisel, but he did not do so, which greatly upset the royal official. The ruler of the castle Pyasot was killed at the very moment when Adam Kissel entered the castle ...