A closely guarded military secret, unsolved murders, and a police duo who will stop at nothing. The body of professor who is bone marrow transplant specialist is found. Commissioner Samborski is assigned to the case. On the spot, the policeman learns that he will be forced to conduct an investigation together with a younger aspirant Marta Zadara. Despite their initial prejudices, the policemen form a reliable duo. Another person close to the professor dies soon. When investigators find out that late scientist owned a suspicious foundation, military intelligence begins to take an interest in the case. A race against time begins.