In the experimental clinic, a batch of valuable drug was stolen. Major Grigast suspects that someone from the clinic is involved in this. He entrusts this complex matter to a young investigator Mara. An investigation leads her to a distant border town in the south of the country, where the offender intended to ship the drug abroad.
| Directing | Rostislav Goryayev | Director |
| Production | Marks Cirelsons | Producer |
| Directing | Aloiz Brench | Director |
| Art | Ināra Antone | Production Design |
| Editing | Marija Edelmane | Editor |
| Sound | Romualds Grīnblats | Music |
| Sound | Gļebs Korotejevs | Sound Director |
| Writing | Anatols Imermanis | Writer |
| Writing | Gunārs Cīrulis | Writer |
| Writing | Mikhail Bleiman | Co-Writer |
| Camera | Henrihs Pilipsons | Director of Photography |
| Costume & Make-Up | Jānis Laimonis Matīss | Costume Design |
| Costume & Make-Up | Karīna Lapiņa | Makeup Designer |