Iulia Vincenz

First part of a series of five famous children novels. Adventures of a group of kids in a trip to explore a cave, where they have some surprises.

The Principality of Wallachia with the capital Bucharest (today a region of Romania) before the Revolution of the year 1848. A couple of secret societies are working to chase away the Prince Gheorge Bibescu from his throne, arms are transported on secret ways, preparing the first popular revolts in Bucharest, as the first act of the Revolution of 1848, which revolution is the first impulse of the later act of the Union of the Wallachia with Moldova (Romanian United Principalities in 1862, Kingdom of Romania in 1881 and Kingdom of Greater Romania 1918, with Transylvania, Bukovina and Bessarabia).

A journalist in a Bucharest publication, is the accidental witness of the street arrest of a communist. It intervenes in the defense of the young man, who manages to escape, and is arrested. He is obliged to look for the missing woman.

A young woman is accused of "Immorality" (aka prostitution) and she is sent for re-education to work on a construction site.

A judge is tasked to investigate a mining accident.

A counterespionage office get a mission to go to the Black Sea shore and catch a spy network that got their hands on a secret fuel formula.