Two couriers from a camp show up to communicate with the communists, when there should be only one. Which one is the impersonator sent by Germans?
Two cooperativists exploit a pond for fish and frogs outside their institutions circuit. Until a youth with socialist expanding ideals comes with the initiative to drain it and use the land for grains. They hatch a plan to make the pond a natural monument, so an expert is summoned, but foolish beliefs betray them.
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.
