An espionage agency is looking to kidnap Alina, the daughter of the Romanian engineer Muresan, to make her father divulge important secrets. On a trip, Muresan's wife and daughter know a young tourist who accompanies them up to a point where they are hosted by Matthew, a very agile little boy, hard-hitting the mountain.
During the 1970s a foreign smuggler is taking hostages and threatening to sabotage a river pumping station if he is not aided in his attempt to smuggle ancient artifacts out of Romania.Two young local boys foil his plans.
In 1975 two Romanian kids go about their daily routine in their native fishing village on the Danube Delta when a mysterious stranger asks them for a ride in their fishing boat to an island located deep inside the river delta.
In 1975 two Romanian kids go about their daily routine in their native fishing village on the Danube Delta when a mysterious stranger asks them for a ride in their fishing boat to an island located deep inside the river delta.
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.