The Romanian Ministry of State Security has learned that foreign intelligence is hunting for plans for blue mines, where strategic raw materials are mined. This task is carried out by a gang led by a spy named Sea Cat.
| Directing | Gheorghe Turcu | Director |
| Editing | Margareta Anescu | Editor |
| Costume & Make-Up | Oltea Ionescu | Costume Design |
| Writing | Petre Luscalov | Writer |
| Sound | Tiberiu Olah | Music |
| Art | Ștefan Maritan | Production Design |
| Writing | Vladimir Popescu-Doreanu | Writer |
| Camera | Jean-Pierre Lazar | Director of Photography |